Question

Resolva as Equações :

a : 2x + 6 = x + 18

b : 5x-3 = 2x+9

c: x + 1 = 10

Answer 1

A) 2x+6=x+18
     2x-x=18-6
       x=12

B)5x-3=2x+9
    5x-2x=9+3
     3x=12
      x=12/3
      x=4

C)x+1=10
     x=10-1
      x=9