Question

Com cálculo A)10x+30+x=10x+50 B)1/3x+2=5-3/4x C)2(x-1)=4(3+x) D)4-(x+5)=5+(x+2) E)2/5x+3=x-1/6

Answer 1

Resposta:

A) x=20

B) ?

C) x= -7

D) x= -4

E) ?

Explicação passo-a-passo:

Confia