Question

7. (x + 3) + 4. (x-5) = 72​

Answer 1

$(x + 3) + 4(x - 5) = 72 \\ x + 3 + 4x - 20 = 72 \\ 5x - 17 = 72 \\ 5x = 72 + 17 \\ 5x = 89 \\ \\ x = \frac{89}{5}$