Solving Algebraic Two-Step Equations

Which equation has x = 5 as the solution?

• x + 15 = 10

• 2x = 5

• 2x = 10

Tags

CCSS.6.EE.B.5

Summarize how to solve the equation.
z + 8 = 23

• Subtract 23 from both sides of the equation.

• Subtract 8 from both sides of the equation.

• Throw z away!

• Add 8 to both sides of the equation.

Tags

CCSS.6.EE.B.7

The inverse operation for the equation shown is:

h + 18 = 34

• subtract 34

• subtract 18

• add 34

• add 18

Tags

CCSS.6.EE.B.5

What are the TWO basic rules for solving algebraic equations?

• Whatever you do to one side of the equation, you must do on the other side of the equation.

• Always add on both sides.

• Always start on the left side, regardless of where the variable is.

• Always do the inverse operation.

Tags

CCSS.6.EE.B.7

Solve:

n - 5 = 32

• 32

• 27

• 37

• 36

Tags

CCSS.6.EE.B.7

Solve the algebraic equation for p.

p + 8 = 12

• 4

• 20

• 5

• 6

Tags

CCSS.6.EE.B.7

Which method can be used to solve the algebraic equation below? z - 6 = 13

• Subtract 6 from both sides of the equation

• Add six to both sides of the equation

• Subtract 13 from both sides of the equation

• Add 13 to both sides of the equation

Tags

CCSS.6.EE.B.7

Solve for x.

x + 4 = 20

• 15

• 17

• 24

• 16

Tags

CCSS.6.EE.B.7

The goal when solving an algebraic equation is to isolate the variable.

• True

• False

Tags

CCSS.7.EE.B.4A

Solve for x:
8x - 10 = -34

• 4

• 3

• -3

• -24

Tags

CCSS.7.EE.B.4A