Solving Equations for Variables

Solve for t. 
16 = t + 5

• 10

• 5

• 12

• 11

Tags

CCSS.6.EE.B.7

What is the first step to solve this equation?
x + 8 = 10

• Subtract 8 from x 

• Subtract 8 from both sides 

• Subtract 8 from one side and add 8 to the other 

• Add 8 to both sides

Tags

CCSS.6.EE.B.7

Solve for s. 
54 = s + 34

• 10 

• 20 

• 34

• 14

Tags

CCSS.6.EE.B.7

Which equation represents the equation?
Charlie and Anthony together have 340 trading cards. If Charlie has 160 trading cards, how many does Anthony have?

• 160 + c = 340 

• c + 340 = 160

• 160 - c = 340

• c - 340 = 160

Tags

CCSS.HSA.CED.A.3

What is the first step to solve this equation? 
13 + c = 25

• Add 13 to both sides

• Subtract 13 from both sides

• Add 13 to one side and subtract 13 from the other 

• Add 13 to C

Tags

CCSS.6.EE.B.7

Which equation represents the question?
The average length of a King Cobra is 118 inches, which is 22 inches longer than a Black Mamba. What is the average length of a Black Mamba?

• 118 + 22 = m

• m + 22 = 118 

• m - 22 = 140 

• 118 = 22 - m

Tags

CCSS.HSA.CED.A.3

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

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

• n = 1/2

• n = -1/2

• n = 2