Question

Resolva a equação de 1 grau :5 (3-x)+2(x+1)=-x+5

Answer 1

15-5x+2x+2=-x+5
=-5x+2x+x=5-2-15
=-2x=-12
=x=6

Answer 2

5(3-x) +2(x+1)=-x+5
15-5x+2x +2 +x -5=0
-3x +17 +x -5=0
-2x +12=0
-2x=-12 (-1)
2x=12
x=12/2
x=6