The correct response is:
Multiplying both sides by 7 undoes the division of x by 7 in the original problem.
This step is taken to isolate the variable \( x \) and solve the equation.
. One of her steps is to multiply both sides of the equation by 7. Why?
Responses
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.
Multiplying both sides by 7 undoes the subtraction in the original problem
The negative sign in −6 must be changed to positive.
1 answer
The correct response is:
Multiplying both sides by 7 undoes the division of x by 7 in the original problem.
This step is taken to isolate the variable \( x \) and solve the equation.