Question

resolva

b) 2^2 - (-2)^2 + x - 3 = 5
c) -2/3 +x/2 = 3/2

Answer 1

${2}^{2} - ( - 2)^{2} + x - 3 = 5 \\ 4 - 4 + x - 3 = 5 \\ x = 5 + 3 \\ x = 8$

$-\frac{2}{3}+\frac{x}{2} = \frac{3}{2} \\ \frac{ - 4 + 3x}{6} =\frac{9}{6} \\ 3x = 9 + 4 \\ 3x = 13 \\ x = \frac{13}{3}$

Duvida so pergunta