Question

7x - 3 + 5 = 5 - 2x ?

Answer 1

Vamos determinar o valor de x:

$7x - 3 + 5 = 5 - 2x \\ \\ 7x + 2x = 5 - 5 + 3 \\ \\ 9x = 3 \\ \\ x = \frac{3}{9} \\ \\ x = \frac{1}{3}$

Answer 2

7x + 2x = 5 + 3 -5
9x = 8 - 5
9x = 3
x= 3/9