Solving One and Two Step Equations Review

2d + 7 = 9 

• 1

• 7

• 4

• 3

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

7k - 14 = 42

• 7

• -8

• 0

• 8

• -7

• 39

• 7

• -18

• 2

• 18

• -9

The temperature was X degrees F. The temperature dropped 6 degrees F and is now 72 degrees F. Write and solve an equation to find the original temperature.

Solve for a

• a= -2

• a= -6

• a= 3

• a= 15

What operation do you use in the first step to solve for x?

• add

• subtract

• multiply

• divide

The first step in solving 3x + 4 = 20 is to ____________________

• Subtract 4 to each side of the equation.

• Add 4 to each side of the equation.

• Divide by 3 to each side of the equation.

• Multiply by 3 to each side of the equation.

If you subtracted 4 to each side of the equation.

This is an example of the ______________ property of ___________.

• Addition; Subtraction

• Addition; Equality

• Subtraction; Equality

• Subtraction; Addition