Question

ecuaciones necesito ayuda en la letra c,d,e,h,i porfavor

Answer 1

C)
$7(x + 1) - 2 = 5(x + 1) + 2 \\ 7x + 7 - 2 = 5x + 5 + 2 \\ 7x + 5 = 5x + 7 \\ 7x - 5x = 7 - 5 \\ 2x = 2 \\ x = \frac{2}{2} \\ x = 1$