Question

de conjunto solucao das equacaes

A- x+2=10 d- x-6=3


b- x-5=1

c- x+25=40

Answer 1

A- x+2=10
x=10-2
x=8

B- x-5=1
x=1+5
x=6

C- x+25=50
x=40-25
x=15

D- x-6=3
x=3+6
x=9