Question

7. Qual a resposta da equação 20-80+2x=10? * a) 25 b) 95 c) 15 d) 45 e) 35

Answer 1

Resposta:

20-80+2x=10

-60 + 2x = 10

2x = 10 + 60

x = 70/2

x = 35

Answer 2

20-80+2x=10
2x= 10 -20 + 80
2x= 70
x= 70/2
x = 35