Shawnece is solving the equation x7 − 4 = −6 . One of her steps is to multiply both sides of the equation by 7. Why? (1 point)
Responses
The negative sign in −6 must be changed to positive.
The negative sign in negative 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 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 division of x by 7 in the original problem.
Multiplying both sides by 7 undoes the addition in the original problem.
3 answers
Multiplying both sides by 7 undoes the subtraction in the original problem.
HUH ??
First I think the problem is suffering from a typo and should read:
x / 7 − 4 = −6
NOW multiply both sides by 7
x - 28 = - 42
First I think the problem is suffering from a typo and should read:
x / 7 − 4 = −6
NOW multiply both sides by 7
x - 28 = - 42
Apologies for any confusion. You are correct. Given the equation x/7 - 4 = -6, when you multiply both sides by 7, you get x - 28 = -42.