Mizoram Class 9 Answered
The sum of two numbers is 129 and their difference is 45. Find the numbers.
Asked by lalremruataralte26 | 14 Jul, 2020, 12:07: PM
Expert Answer
Let x and y be the two numbers.
According to the conditions,
x + y = 129 ... (1)
x - y = 45 ... (2)
Adding (1) and (2), we get
2x = 174
→ x = 87
y =129 - 87 = 42 ...from (1)
Therefore, the two numbers are 87 and 42.
Answered by Yasmeen Khan | 14 Jul, 2020, 04:40: PM
Application Videos
-
This video contains a question which is solved using square of binomials -
This video explains factorisation using square identity -
This video explains how to form a linear equation using given statements an... -
This video contains a problem based on the concept of Circle and its Applic... -
This video contains a question based on the concept of Circle and its Appli...
Concept Videos
-
Recall the concept of number line and discuss its importance in day to day... -
This video explains how to differentiate between rational and irrational nu... -
This video covers the definition of real numbers, difference between the ra... -
This video explains the statement of the laws of exponents and simplify exp... -
This video explains the definition of polynomial and related terms, identif...
Mizoram 9 - Maths
Asked by zoichhangte89 | 11 Nov, 2021, 02:10: PM
ANSWERED BY EXPERTMizoram 9 - Maths
Asked by elilchkpachuau | 23 Jul, 2020, 09:57: AM
ANSWERED BY EXPERTMizoram 9 - Maths
Asked by lalremruataralte26 | 14 Jul, 2020, 12:07: PM
ANSWERED BY EXPERT