Question

c) 2× + 4=24
d) 2× - 8=22

Answer 1

Resposta:

Explicação passo-a-passo:

c) 2x + 4=24

2x = 24 - 4

2x = 20

x = 10

d) 2x - 8=22

2x = 22 + 8

2x = 30

x = 15