Question

quanto e 5(x+1)+6(x+2)=9(x+3)

Answer 1

5x+5+6x+12=9x+27
5x+6x-9x=27-5-12
11x-9x=22-12
2x=10
x=10/2
x=5

Answer 2

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

espero ter ajudado;)