What is the first step in solving the equation 20 = 6x − 4 solving for x ?(1 point)
Responses
Subtract 20 from both sides.
Subtract 20 from both sides.
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.
Add 4 to both sides.
Shawnece is solving the equation x/7 − 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.
Multiplying both sides by 7 undoes the division of x by 7 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 minus x equals 8
12 − x = −8
12 minus x equals negative 8
12 = −x − 8
12 equals negative x minus 8
12 = −x + 8
12 = -x + 8
What is the first step in solving the equation 12(x + 7) = 0 for x ?(1 point)
Responses
Subtract 7 from both sides.
Subtract 7 from both sides.
Add 7 to both sides.
Add 7 to both sides.
Multiply both sides by 12.
Multiply both sides by 12.
Divide both sides by 12.
Divide both sides by 12.
What is the solution to the equation 0.24(x−10.2)=6 when solving for x ?(1 point)
Responses
35.2
35.2
11.64
11.64
16.44
16.44
14.8