Question

7x/2+20=1x/3-50 resposta ​

Answer 1

Resposta:

≅ -22

Explicação passo-a-passo:

$\frac{7x}{2} + \frac{20}{1} = \frac{1x}{3} - \frac{50}{1} \\\frac{21x}{6} + \frac{120}{6} = \frac{2x}{6} - \frac{300}{6} = 21x + 120 = 2x - 300 \\ 21x - 2x = -300 - 120 \\19x = -420\\x = (aprox.) -22$