Question

5(x+1)+6(x+2)=9(x+3) ???

Answer 1

5(x+1) + 6(x+2) = 9(x+3)
5x+1 + 6x+12 = 9x+ 27
5x+6x-9x=27-1-12
2x=14
x=14/2
x=7

Answer 2

5(x+1)+6(x+2)=9(x+3)
5+5x+12+6x=27+9x
11x+17=27+9x
11x-9x=27-17
2x=10
x=10/2
x=5