Question

7) 2(x – 3) + 8x +4 = 5 (x + 2)
a)-12/5
b) 12
c) 15
d) 12/5​

Answer 1

Resposta:

Letra D

Explicação passo-a-passo:

7) 2(x – 3) + 8x +4 = 5 (x + 2)

2x - 6 + 8x + 4 = 5x + 10

2x + 8x - 5x = 10 + 6 - 4

5x = 12

x = 12/5