Question

5(×+1)+6(×+2)=9(×+3)

Answer 1

Resposta:

X = 5

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

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

5x+5+6x+12=9(x+3)

11x+5+12=9(x+3)

11x+17=9(x+3)

11x+17=9x+27

11x+17−9x=27

2x+17=27

2x=27−17

2x=10

x=10/2

x=5