Question

12(4x−3) = 20x +100​

Answer 1

12(4x-3) = 20x + 100

48x - 36 = 20x + 100

48x - 20x = 100 - 36

28x = 64

x = 64÷28

x = 2,28

Answer 2

Resposta:

x = 34/7

Explicação:

12(4x−3) = 20x +100

48x - 36 = 20x + 100

48x - 20x = 100 + 36

28x = 136

x = 136/28 = 68/14 = 34/7