One & Two Step Equations

Addition

100

5 + y = 15

y = 10

200

16 = 2 + y

y = 14

300

-18 = 7 + y

y = -25

400

142 + y = 54

y = -88

500

y + -21 + 14 = 5

y = 12

Subtraction

100

8 = y - 8

y = 16

200

4 = y - 0

y = 4

300

y - (-5) = 16

y = 11

400

-18 = y - 7

y = -11

500

y - 58 - 10 - 4 = -10

y = 62

Multiplication

100

4y = 16

y = 4

200

24y = 48

y = 2

300

-14 = 7y

y = -2

400

-5y = 225

y = -45

500

-y = 51

y = -51

Division

100

y / 9 = 1

y = 9

200

y / -13 = 8

y = -104

300

y / 36 = 0

y = 0

400

y / -19 = -12

y = 228

500

y / -24 = 0.5

y = -12

Random

100

TRUE OR FALSE: 3y = 12 y = -4

False

200

TRUE OR FALSE: 6y - 1 = 19 y = 4

False

300

6y + (-9) = -39

y = -5

400

September 18th, 2014 is Mr. Cojocari's wedding date.

False October 18th, 2014

500

To combine like terms the variables (letters) have to be identical and the powers MUST be identical.

True; if they are different they CANNOT be combined.