Question

resolva a equação do 1º. grau abaixo:
5 ( x – 3 ) – 4 ( x + 2 ) = 3 ( 1 – 2 x ) + 4 5(x–3)–4(x+2)=3(1–2x)+4

Answer 1

Resposta:

$5 ( x - 3 ) - 4 ( x + 2 ) = 3 ( 1 - 2 x ) + 4 \\ 5x - 15 - 4x - 8 = 3 - 6x + 4 \\ 5x - 4x + 6x = 3 + 4 + 15 + 8 \\ 7x = 30 \\ x = \frac{30}{7}$