Question

Resolva

A)x-3=5
B)x+2=7
C)×/2+×/4=2
D)0=x+12​

Answer 1

a) x - 3 = 5

   x = 8

b) x + 2 = 7

   x = 5

c) x÷2 + x÷4 = 2

   (2x+x)÷4 = 2

   2x+x = 2×4

   3x = 8

   x = 8÷3

d) x + 12 = 0

   x = -12