Int. 2 Equation Review Lesson Slides: 7 Slides

7 Slides • 5 Questions

1

Int. 2 Equation Review

2

Example: 1-Step Equations

Solve.

3

Multiple Choice

Solve: $x-13=6$

1

x=19

2

x=13

3

x=-9

4

x=-2

4

Example: 2-Step Equations

Solve.

5

Multiple Choice

Solve: $9x-2=70$

1

x=8

2

x=2.3

3

x=72

4

x=-9

6

Example: Variables on Both Sides

Move all the variables to one side and the constants (plain #'s) to the other.

Solve:

7

Multiple Choice

Solve: $-2x+1=3x+16$

1

x=3

2

x=3

3

x=1

4

x=-3

8

Warm-up!

Take out your notebook. Continue on the same page as last week.

Solve. Round to the hundredths place if necessary:

1. 2.

9

Combining Like Terms

Like terms have the same variable and same exponent

ex: 2x, 30x ex:

To combine like terms, add the coefficients (numbers) and keep the variables the same

10

Example: Equations with Like Terms

First, combine like terms on each side individually

Solve:

11

Multiple Choice

Solve: $8x-3x-10=20$

1

x=9

2

x=30

3

x=6

4

x=5

12

Multiple Choice

Solve. Round to the tenths place if necessary.

$-6x+3x=4x-21+2x$

1

-7

2

-2

3

2.3

4

1.4

Int. 2 Equation Review

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