Solving Linear Equations

Solve:
3(x - 2) = 18

• 6.7
• 4
• 8
• -4

What is the first step in solving for w in the equation 3w + 5 = 14?

• Add 5 to both sides of the equal sign

• Divide by 3 on both sides of the equal sign

• Subtract 5 from both sides of the equal sign

• Multiply by 3 on both sides of the equal sign

Solve for x:
6(2x + 1) = 18

• 3
• 17/12
• 1
• 2

Which of the following statements describes how to use an inverse operation to solve the equation c + 6 = 16

• . Multiply both sides of the equation by six because multiplication is the inverse operation of addition.

• . Subtract six from both sides of the equation because subtraction is the inverse operation of addition.

• C. Add six to both sides of the equation because addition is the inverse operation of subtraction.

• D. Divide both sides of the equation by six because division is the inverse operation of addition

What is the next step to solve this equation?
n - 4 = -2

• Add 4 to both sides of the equation

• Add n to both sides of the equation

• Subtract n from both sides of the equation

• Subtract 4 from both sides of the equation

Beverly was asked to solve the equation below for homework.

2n = 16

If she found that n = 8, which operation did she use to isolate the variable n

• . Add 2 to both sides of the equation

• . Divide both sides of the equation by 2

• . Multiply both sides of the equation by 2

• . Subtract 2 from both sides of the equation

Inverse Operations are operations which undo each other.

• True

• False

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse operation of dividing?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse operation of subtracting?

• Adding

• Subtracting

• Multiplying

• Dividing