Solving Using Addition
Solving Using Subtraction
Vocabulary
Combining Like Terms
100

a-6=13

19

100

x+4=-14

-18

100

What is a coefficient?

The number with the variable
100

Simplify

6x+4x

10x

200

-3=z-8

5

200

-14=k+6

-20

200

What is a variable?

The letter in an expression

200

Simplify

5y-2y

3y

300

g-9=-19

-10

300

-10.1=w+5.3

-15.4

300

What is a term?

Each part of the equation

300

Simplify

3x+2-5

3x-3

400

c-7.6=-4

3.6

400

1/2=q+2/3

-1/6

400

What is a constant?

The number without the variable.

400

Simplify

4z+7+5

4z+12

500

-9.3=d-3.4

-5.9

500

4.58+y=2.5

-2.08

500

What is an inverse operation?

The opposite operation

500

Simplify

4z+2t-1z

3z+2t

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