Question

7(x + 1) - 4(x + 3) = X-9​

Answer 1

Explicación paso a paso:

$7(x + 1) - 4(x + 3) = x - 9 \\ 7x + 7 - 4x - 12 = x - 9 \\ 3x - 5 = x - 9 \\ 2x = - 4 \\ x = - 2$