Question

Me Ajudem Por Favor

a) 2 (x + 6) = 4 (x + 2)

b) 5 (2x - 1) =2 (x + 4)

Answer 1

Resposta:

A)2x+12=4x+8

2x-4x=8-12

-2x=-4(-1)

2x=4

x=4/2

x=2

B)5(2x - 1) = 2(x + 4)

10x - 5 = 2x + 8

10x - 2x = 8 + 5

8x = 13

x = 13/8