Question

Aldo solve the equation -3x - 8 = 16. He says the solution is -8.

Which reason justifies her solution?
A) Aldo says that to solve the equation you first divide by -3
and then add 8.
B) Aldo says that to solve the equation you first multiply by 8
and then add -3.
C) Aldo says that to solve the equation you first subtract 8 and
then divide by 2.
D) Aldo says that to solve the equation you first add 8 and then
divide by -3.

Answer 1

D. Because you have to get the x alone when adding 8 the. dividing by -3 to leave the x alone.