Question

determine a solucao da equacao 2(×-3)+4(2×+1)=8-5(×-4)

Answer 1

2.(x - 3) + 4.(2x + 1) = 8 - 5.(x - 4)
2x - 6 + 8x + 4 = 8 - 5x + 20
2x + 8x - 6 + 4 = 8 + 20 - 5x
10x - 2 = 28 - 5x
10x + 5x = 28 + 2
15x = 30
x = 30/15
x = 2

R.: x = 2