Question

AJUDAA...Resolva as equações:
A- 2×=-8
B- 3y=18
C- 2×+4=6
D- 3y+1=10
plsss​

Answer 1

Resposta:

a)

$2x=-8\\x=\frac{-8}{2} \\x=-4$

b)

$3y=18\\y=\frac{18}{3} \\y=6$

c)

$2x+4=6\\2x=6-4\\2x=2\\x=1$

d)

$3y+1=10\\3y=10-1\\3y=9\\y=\frac{9}{3} \\y=3$