Question

Resolva as equações
A)5x-20=-x+10
B)-10+x=2x+20
C)-2(3x+5)=-7x+2(-x+1)
D)3x/2-10=5x-20
E)x/5-2=20-2
F)-(-x-10)=20(-1)-2x)
G)x/6-2=1/8-2

Answer 1

Resposta:letra A

5x + x = 10 + 20

6x = 30

x = 30/6

x = 5

Explicação passo-a-passo: