7.U5A.L6-8-Solving Equations

• 7th Grade

Unit 5 Lesson 5-8

Solving 1 and 2 step Equations 

Changing 3(x+9) to 3x+27 is an example of which property?

1. Associative Property
2. Identify Property
3. Communicative Proprety
4. Distributive Property

Rewrite -1(8n-2) using the distributive property

1. -8n+2
2. 8n+2
3. -8n-2
4. 8n-3

Rewrite the following expression by factoring: -30n-10
(2 answers are correct)

1. -1(30n-10)
2. 10(-3n-1)
3. -10(3n+1)
4. -30(n-10)

Inverse operations                          each other

The inverse of addition is

The inverse of subtraction is

The inverse of multiplication is 

The inverse of division is 

undo

subtraction

addition 

division 

multiplication

To solve the following problem for v we need to use which operation?
-8v = 56

1. multiplication
2. division
3. addition
4. subtraction

To solve the following problem for y, we need to use which operation?
6+y = 20

1. multiplication
2. division
3. addition
4. subtraction

To solve the following problem for q, we need to use which operation?

​3​​q​​=−15

1. multiplication
2. division
3. addition
4. subtraction

To solve the following problem we do which first?
2-10n = 22

1. multiplication
2. division
3. addition
4. subtraction

Explain how to solve the following problem for -3n - 12 = -3

There is no Lesson 5 Quiz!!!