Solving Two Step Equations with One Variable

how would you solve this equation: 9x=153?

• multiply by 9 on both sides

• divide by 9 on both sides

• add 9 to both sides

• subtract 9 from both sides

Tags

CCSS.6.EE.B.7

-8(-8x - 6) = -6x - 22

• 2/5

• -1

• 8/7 

• 2

Tags

CCSS.8.EE.C.7B

22 + 2a = 37 + 6 + a

• 21

• -21

• 5

• 6

Solve the equation:
3x - x + 2 = 4(2x - 1)

• x = 7

• x = 1

• x = -1

• x = -3

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

In order to solve an equation, we must get variables on one side of an equation, and constants on the opposite side.

• False

• True

Tags

CCSS.7.EE.B.4A

-(8n - 2) = 3 + 10(1 - 3n)

• n = 1/2

• n = -1/2

• n = 2

Which of the following are basic rules used for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

• Negative signs can be ignored

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

• Always do the opposite operation

Tags

CCSS.6.EE.B.7

What is the correct step to solve for the variable?

• add 5 to both sides

• add 15 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

How should you show your work to isolate the variable and solve the equation?

• Subtract -4 from each side.

• Add -4 to each side.

• Multiply each side by -4.

• Divide both sides of the equation by -4.

Tags

CCSS.6.EE.B.7