Question

5(1-x ) -2x+1 =-3 equação de 1 grau

Answer 1

Resposta

$5(1-x)-2x+1 = -3\\5 - 5x - 2x + 1 = -3\\6 - 7x = -3\\-7x = -3-6\\-7x = -9\\x=\frac{-9}{-7}\\\\x= \frac{9}{7}$

Answer 2

Resposta:

x = 9/7

Explicação passo-a-passo:

$5(1-x) -2x+1 = -3\\5 - 5x - 2x +1 = -3\\-5x-2x = -3-6\\-7x= -9 (-1)\\7x = 9\\x = \frac{9}{7}$