Writing , Solving and Finding Equivalent Equations

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

• isolate / solve for variable.

• check the solution.

• guess and check.

• Combine Like Terms.

A gymnastics center charges a $60 registration fee and $15 per class. Olivia registers to take a class and pays a total of $210. Which equation can be used to determine how many classes Olivia signed up for?  

• 60 - 15x = 210 
• 15x - 60 = 210
• 15x + 60 = 210 
• 210 + 15x = 60 

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

What is the inverse operation of multiplying?

• Adding

• Subtracting

• Multiplying

• Dividing

Solve for a

-3a + 8 = 14

• a= -2

• a= -7.5

• a= 2

• a= 6

Solve for x:
8x - 10 = -34

• 4
• 3
• -3
• -24

Tags

CCSS.7.EE.B.4A

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing

Tags

CCSS.2.NBT.B.5

Solve for the variable

-5 - 6a = -59

• a= 11

• a= -6

• a= 9

• a= 2

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Tags

CCSS.6.EE.B.5

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.

Tags

CCSS.7.EE.B.4A

Which expression is equivalent to 2(3y)?

• 2 + 3y
• (2 x 3)y
• (2+3y) X (2+3y)
• (2x3) + (2y + 3x)

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4