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 addition 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.
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 subtraction in the original problem.
Tillie is solving an equation for x
. Her first step is to subtract 8 from both sides of the equation. Which equation is she solving?(1 point)
Responses
12 = −x + 8
12 equals negative x plus 8
12 − x = 8
12 minus x equals 8
12 − x = −8
12 minus x equals negative 8
12 = −x − 8