Question

resolva as equacoes 3x+x/2=x -3

Answer 1

$3x + \frac{x}{2} = x - 3 \\ 3x + x - x = - 3.2 \\ 3x = - 6 \\ x = \frac{ - 6}{3} = - 2$

Resposta: -2.

Answer 2

Resposta:

$S=\{-{6\over5}\}$

Explicação passo-a-passo:

$3x + {x\over2}=x-3\\ \\ mmc=2\\ \\ 6x+x=2x-6\\ \\ 6x+x-2x=-6\\ \\ 6x-x=-6\\ \\ 5x=-6\\ \\ x=-{6\over5}$