Question

a) 2(3x+1)=8

b) x+1/2+x+2/3=x​

Answer 1

Explicação passo-a-passo:

$2(3x + 1) = 8 \\ \\ 6x + 2 = 8 \\ \\ 6x = 8 - 2 \\ \\ 6x = 6 \\ \\ x = \frac{6}{6} \\ \\ x = 1$

B)

$x + \frac{1}{2} + x + \frac{2}{3} = x \\ \\ 6x + 3 + 6x + 4 = 6x \\ \\ 6x + 6x - 6x = - 7 \\ \\ 6x = - 7 \\ \\ x = - \frac{7}{6}$