Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 9 Answered

How to solve table attributes columnalign left end attributes row cell 5 x plus 6 y equals 7 end cell row cell 3 x plus 2 y equals 5 end cell end table By substitution method.   
Asked by eshaanbayale51.9spicertl | 31 May, 2020, 16:26: PM
answered-by-expert Expert Answer
begin mathsize 16px style 5 straight x space plus space 6 straight y space equals space 7 space.... space left parenthesis 1 right parenthesis 3 straight x space plus space 2 straight y space equals space 5 space.... space left parenthesis 2 right parenthesis From space left parenthesis 2 right parenthesis comma straight y space equals space fraction numerator 5 minus 3 straight x over denominator 2 end fraction Substituting space the space value space of space straight y space in space left parenthesis 1 right parenthesis comma space we space get 5 straight x space plus space 6 open parentheses fraction numerator 5 minus 3 straight x over denominator 2 end fraction close parentheses equals space 7 rightwards double arrow 5 straight x space plus space 3 open parentheses 5 minus 3 straight x close parentheses space equals space 7 rightwards double arrow 5 straight x space plus space 15 space minus space 9 straight x space equals space 7 rightwards double arrow space minus 4 straight x space equals space minus 8 rightwards double arrow space straight x space equals space 2 Therefore comma space straight y space equals space fraction numerator 5 minus 3 straight x over denominator 2 end fraction space equals space fraction numerator 5 minus 3 left parenthesis 2 right parenthesis over denominator 2 end fraction equals fraction numerator negative 1 over denominator 2 end fraction rightwards double arrow straight x space equals space 2 space and space straight y space equals fraction numerator negative 1 over denominator 2 end fraction end style
Answered by Yasmeen Khan | 31 May, 2020, 21:33: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 9 - Maths
8x+5y=9 3x+2y=4
Asked by hanifabee867 | 17 Jul, 2024, 19:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
p=2q-1,q=5-3p
Asked by nusratreyaz3872 | 16 Jul, 2024, 14:17: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
2x+3y=31 5x-4=3y
Asked by manasaboni | 06 Dec, 2023, 11:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
7X+8=10
question image
Asked by padmavathipethakamsetty | 12 Jul, 2022, 19:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Solve the following simultaneous equations by substitution method: 8 y = 11 ; 3 – y = 2
Asked by Omnangare4576 | 15 Jan, 2022, 17:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
solve 2x + = 35 , 3x + 4y = 65 hence find the value of x/ y
Asked by ispriyagurung490 | 25 Nov, 2021, 21:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
2x-3y=7,5x+y=9
Asked by yadlapallieswarrao | 02 Nov, 2021, 21:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
the sum two number x and y is 10 and their product is 8.
Asked by melodygaming0017 | 17 Sep, 2021, 20:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
23x+31y=77,31x+23y=85
Asked by harsh0103017 | 09 Jun, 2021, 00:46: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
3x-y=23 x/3+y/4=4
Asked by allwinligo | 22 Sep, 2020, 19:20: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×