Question

Determine o valor do x:

2x + 2//8 = 4x-12// 12

Answer 1

2x/1 + 2/8 = 4x/1 - 12/12 (mmc de 8,12 e 24)
48x/24 + 6/24 = 96x/24 - 24/24
48x + 6 = 96x - 24
48x - 96x = -24 - 6
-48x = - 30 (-1)
48x = 30
x=30/48 (simplificando por 2) x = 15/24 (por 3) x = 5/8