Question

2(x+1)-(x-1)= -7
a)-9
b)-8
c)-10
d)-7
e) -11​

Answer 1

Resposta:

c) -10

Explicação passo-a-passo:

2(x+1)-(x-1)= -7

2x+2-x+1=-7

x+3=-7

x=-7-3

x=-10