Question

daca a-b=8 si xa-xb=80 completati

Answer 1

a - b = 8
xa - xa = 80
x(a - b) = 80
x * 8 = 80
x = 80 : 8
x = 10

Answer 2

a-b= 8 => a= b+8
x ( a-b ) = 80
x ( b+8-b ) = 80
8x = 80
x = 10