Solving Equations with One Variable Lesson Slides: 11 Slides

11 Slides • 4 Questions

1

YOU NEED STAAR DESMOS, PAPER, AND PENCIL!

2

SOLVE EQUATIONS WITH VARIABLES ON BOTH SIDES OF THE EQUAL SIGN.

TODAY, I WILL

3

LET'S START EASY

Solve:

30 + 2s = 16 + 3s

you can always do it by hand!

4

Want to Check Your Work?

Step 1: Break Up the Equation into 2 separate parts.

Step 2: Change the variable to X, no matter what it is!

Step 3: Put both sides of your two new equations in Desmos with "y=" in front.

Step 4: Find exactly where those lines cross. The X value is your solution!

5

6

Let's Try a Another

Solve 8z - 9 = 15

Try it by hand first!

7

Check Your Work

Step 1: Break Up the Equation into 2 separate parts.

Step 2: Change the variable to X, no matter what it is!

Step 3: Put both sides of your two new equations in Desmos with "y=" in front.

Step 4: Find exactly where those lines cross. The X value is your solution!

8

9

Multiple Choice

Solve for x

3x + 8 = 2x - 7

1

x=3

2

x=-15

3

x=15

4

x=-3

10

Multiple Choice

Solve for b

12b + 5 = 7b - 8

1

b=13/19

2

b=-13/5

3

b=-1/4

4

b=-3/19

11

Let's Try a Harder One!

Solve:
-4+5(x+3)= 9

Oh No! Parentheses?

12

Check Your Work

Step 1: Break Up the Equation into 2 separate parts.

Step 2: Change the variable to X, no matter what it is!

Step 3: Put both sides of your two new equations in Desmos with "y=" in front.

Step 4: Find exactly where those lines cross. The X value is your solution!

13

14

Multiple Choice

Solve:

9x + 22 = 3x

1

-33

2

-22/3

3

66

4

-11/3

15

Fill in the Blanks

Solve:

6(g-7) = 12(g+4)

YOU NEED STAAR DESMOS, PAPER, AND PENCIL!

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