Question

resolva as equações em R 3(2X-3)+2(X+1)=3X+18

Answer 1

3 (2x - 3) + 2(x + 1) = 3x + 18
6x - 9 + 2x + 2 = 3x + 18
8x - 7 = 3x + 18
8x - 3x = 18 + 7
5x = 25
x = 25/5
x = 5

Answer 2

3(2x-3)+2(x+1)=3x+18
6x-9+2x+2=3x+18
6x+2x-3x=18+9-2
8x-3x=27-2
5x=25
  x=25
      5
 x=5