Question

2x+1+3x-1=5(2x+1)+3(3x-1)

Answer 1

Olá!

$2x + 1 + 3x - 1 = 5(2x + 1) + 3(3x - 1) \\ 5x = 10x + 5 + 9x - 3 \\ 5x = 19x + 2 \\ 5x - 19x = 2 \\ - 14x = 2 \: \times ( - 1) \\ 14x = - 2 \\ x = - \frac{ {2}^{ \div 2} }{14} \\ \\ x = - \frac{1}{7}$

Espero ter ajudado! :)