Question

alternativas:
a) 16

b) 21

c) 32

d) 40

e) 45

Answer 1

x-7+2x+10+x+3= 70

4x= 70-10+7-3

4x= 60+4

x= 64/4

x= 16

Answer 2

Resposta:

Explicação passo-a-passo:

2x+10+3+x+x-7 = 70

4x = 64

x= 64/4 = 16