Two-Step Equations

Presentation

•

Mathematics

•

6th - 8th Grade

•

Hard

•

CCSS

7.EE.B.4A, HSA.CED.A.3, HSF.BF.A.2

Standards-aligned

Ryann Varney

Used 16+ times

FREE Resource

4 Slides • 6 Questions

Two-Step Equations

Let's continue to learn how to solve equations!

Combining Like Terms

Sometimes you will need to combine like terms before solving. Let's look at an example:

3y\ -\ 8y\ =\ 25

Combine like terms: 3y and -8y

-5y=25

-->

y=-5

Combining Like Terms

Here is another example:

$4\ +\ 4n\ =\ -2n\ -2$

Combine constants and like terms

6\ +\ 4n\ =\ -2n

-->

6\ =\ -6n

Now divide both sides by the coefficient: -6

n\ =\ -1

Fill in the Blanks

Solve the equation below.

-1-7x=2x+17

Type answer...

Multiple Choice

Solve for y.

-4+4x=6x-4

x = 0

x = 4

x = -4

No Solution

Fill in the Blanks

Solve for t.

12t-8t=-52

Type answer...

Equations in word problems

Fill in the Blanks

A cellphone company charges a monthly fee plus $0.25 for each text message you send. The monthly fee is $30 and you owe $59.50.

Write an equation that can solve for the numbers of text messages, m, sent.

Type answer...

Multiple Choice

A cellphone company charges a monthly fee plus $0.25 for each text message you send. The monthly fee is $30 and you owe $59.50.

Solve for the number of text messages.

118

1.975

208

Multiple Choice

Michael is collecting sea glass from the beach. He begins with 14 pieces and adds 3 new pieces per day. Determine how many days it will take Michael to have 80 pieces of sea glass in his collection.

32 days

5.5 days

22 days

198 days

Two-Step Equations

Let's continue to learn how to solve equations!

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