Shawnece is solving the equation x/7 - 4 = -6. One of her steps is to multiply both sides of the equation by 7. Why?

the negative sign in -6 must be changed to positive, multiplying both sides by 7 undoes the subtraction in the original problem, multiplying both sides by 7 undoes the division of x by 7 in the original problem, multiplying both sides by 7 undoes the addition in the original problem

1 answer

Shawnece is multiplying both sides of the equation by 7 to "undo" the division of x by 7 in the original problem.

The original equation is:

x74=6

To isolate x, she first needs to eliminate the x7 term. By multiplying both sides of the equation by 7, she effectively gets rid of the division by 7. So the correct answer is:

Multiplying both sides by 7 undoes the division of x by 7 in the original problem.