5+2(x-4)=4x+7 — step-by-step solution | Explain MAths

5+2(x-4)=4x+7

Let's solve in

ℝ

:

5 + 2 \cdot (x - 4) = 4 x + 7

5 + (2 x - 8) = 4 x + 7

- 3 + 2 x = 4 x + 7

2 x = 4 x + 10

2 x - 4 x = 10

- 2 x = 10

x = \frac{10}{-2}

x = - \frac{10}{2}

▶Solution found:

x = -5