Question

What is the first step in solving the equation 20 = 6x − 4 solving for x?(1 point)
Responses

Divide both sides by 6.
Divide both sides by 6.

Add 4 to both sides.
Add 4 to both sides.

Subtract 4 from both sides.
Subtract 4 from both sides.

Subtract 20 from both sides.

Answer 1

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

Multiplying both sides by 7 undoes the subtraction 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.
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 division of x

by 7 in the original problem.

Answer 2

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 negative 8

12 = −x − 8
12 equals negative x minus 8

12 − x = 8

Answer 3

What is the first step in solving the equation 12(x + 7) = 0 for x ?(1 point)
Responses

Multiply both sides by 12.
Multiply both sides by 12.

Divide both sides by 12.
Divide both sides by 12.

Subtract 7 from both sides.
Subtract 7 from both sides.

Add 7 to both sides.
Add 7 to both sides.

Answer 4

Subtract 20 from both sides.

Answer 5

Multiplying both sides by 7 undoes the subtraction in the original problem.

Answer 6

12 = -x + 8

Answer 7

Divide both sides by 12.