Question

Resolva as equações:
a) 2 (x-1) = 0
b) -3 (m+2) = 1
c) (x+2) = 12
ME AJUDEM PF

Answer 1

Boa tarde Lara!
Solução!
A)
$2(x-1)=0\\\\\ 2x-2=0 \\\\\ 2x=2 \\\\\ x= \frac{2}{2} \\\\\ x=1$


B)

$-3(m+2)=1\\\\\\ -3x-6=1\\\\\\ -3x=1+6 \\\\\\ -3x=7 \\\\\\ x= \frac{7}{3}$





C)
$(x+2)=12 \\\\\\ x=12-2 \\\\\\ x=10$



Boa tarde!
Bons estudos!