Ask a Doubt
Request a call back

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

CBSE Class 10 Answered

Solve the following system of eq. using elimination method: 1/5x+1/6y=12 and 1/3x-3/7y=8
Asked by karanbora625 | 20 Apr, 2020, 09:16: AM
answered-by-expert Expert Answer
The given linear equations are:
1/5x+1/6y=12 ... (i)
1/3x-3/7y=8 ... (ii)
T a k e space 1 over x equals a space a n d space 1 over y equals b rightwards double arrow a over 5 plus b over 6 equals 12 space space a n d space space 1 third a minus 3 over 7 b equals 8 rightwards double arrow space 6 a plus 5 b equals 360 space... space left parenthesis i i i right parenthesis space space a n d space space 7 a minus 9 b equals 168 space... space left parenthesis i v right parenthesis S o l v i n g space left parenthesis i i right parenthesis space a n d space left parenthesis i v right parenthesis comma space w e space g e t a equals 4080 over 89 space space a n d space space b equals 1512 over 89 rightwards double arrow x equals 89 over 4080 space space a n d space space y equals 89 over 1512
Answered by Renu Varma | 20 Apr, 2020, 11:36: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
One says, "Give me a hundred, friend! I shall then become twice as rich as you." The other replies, "If you give me ten, I shall be six times as rich as you." Tell me what is the amount of their (respective) capital?
Asked by prassanna.j | 10 Sep, 2023, 08:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Five years ago Nuri was thrice as old as Sonu. Ten years later Nuri will be twice as old as Sonu. How old are Nuri and Sonu?
Asked by choithanimahak | 05 Aug, 2022, 09:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
5x -4y + 8 = 0 7x +6y -9 =0
Asked by anuragchoudhary812 | 19 Jul, 2022, 07:00: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
find the value of a and b
question image
Asked by patelnaimesh842004 | 17 Jul, 2022, 07:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
A and B, each has a certain amount (in ₹). If A gives ₹40 to B, both will have equal amounts. If B gives ₹110 to A, A will have 4 times the amount left with B. What is the initial amount with B?
Asked by maitrymody2004 | 12 Jun, 2022, 11:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
3x/2-5y/3=-2 x/3+y/2=13/6 by elimination method
Asked by tapasyachitore07 | 31 Mar, 2022, 09:30: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
2ax+3by=(a+2b) 3ax+2by=2(a+b)
question image
Asked by ananyak4213277 | 17 Sep, 2021, 07:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
how to solve it
question image
Asked by sanshruti06 | 31 Jul, 2021, 07:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If the linear equation in two variables 2x –y = 2, 3y –4x = -2and px–3y = 2are concurrent, then find the value of p
Asked by jarvickanishk619 | 28 Jul, 2021, 12:54: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
If ܽa + b = 35 and a − b = 13, where a > b, then find the value of a and ܾb.
Asked by hethirpatel | 11 Jul, 2021, 08:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Be a Top Scorer in the Exam with Test Series and Test Generator!

Enrol Now
×