Question

1,5x + 60 = 2,5x - 20

Answer 1

Resposta:

x = 80

Explicação passo a passo:

1,5x + 60 = 2,5x - 20

1,5x . 10 + 60 . 10 = 2,5x . 10 - 20 . 10

15x + 600 = 25x - 200

15x + 600 - 600 = 0

15x = 25x - 200 - 600

15x = 25x - 800

15x - 25x = 800 - 25x

- 10x = - 800

x = - 800 ÷ - 10

x = 80