Question

see question no 7 and answer

Answer 1

____________________________

HEY MATE THIS IS YOUR ANSWER.....


X-21=71-X
TAKE X TO LHS AND RHS..
SO X+X=71+21
2X=92
X=92/2
X=46




. HOPE IT HELPS U DEAR.....

Answer 2

As first we make the equation
X-21=71-X
ATQ
X+X=71+21
2x=92
x=92/2
x=46
so x=46 is your answer.
Hope it will help you.
Please mark it as brain list answer.