Question

7. (x+3) + 4. (x-1) = 72​

Answer 1

Respuesta:

7(x + 3) + 4(x - 1) = 72​

7x + 21 + 4x - 4 = 72

11x + 17 = 72

11x = 55

x = 5

Answer 2

$7(x + 3) + 4(x - 1) = 72 \\ 7x + 21 + 4x - 4 = 72 \\ 11x + 17 = 72 \\ 11x = 72 - 17 \\ 11x = 55 \\ \\ x = 5$