Math, asked by vishu1700, 1 year ago

sum of 2 natural numbers is 21 and their differences is 11,find the number

Answers

Answered by BhavyasriAkula
2
let the two numbers be a,b
Given
a+b =21
a-b =11

solve both equations
2a =32
a=16
b=5
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Answered by madhu1077
0
let us assume that two numbers are X and y
then
X+y= 21
x_y=11
if
X= y+11
substitute in equation1
then
y+11+y=21
2y=10
y=5
then
X=y+11
X= 5+11
X=16
therefore 16+5=21
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