Solving Simple Equations

Vocabulary

100

This is the inverse of Multiplication.

What is Division?

200

The definition of this is oposite.

What is Inverse?

300

If 4 is being added to 5, this would be the inverse operation.

What is Subtraction?

400

Adding the same number to each side of an equation produces an equivalent equation.

What is the Addition Property of Equality?

500

Subtracting the same number from each side of an equation produces an equivalent equation.

What is the Subtraction Property of Equality?

Adding

100

1 = w + 6

-5 = w

200

y + 3.4 = 0.5

y= -2.9

300

b + 2 = -5

b = -7

400

-3 = k + 3

k = -6

500

t + 1/4 =3/4

SIMPLIFY

t = 1/2

Subtracting

100

x - 7 = -6

x = 1

200

h - 1/4 = -3/4

SIMPLIFY

-1/2 = h

300

g - 16 = 8

g = 24

400

x - 8pi = pi

x = 9pi

500

n - 1.4 = -6.3

n = -4.9

Multiply

100

7x = 35

x = 5

200

4 = -0.5n

n= -8

300

3x = 42

x = 14

400

45= 15x

x = 3

500

4 times the value of h is 32

h = 8

Divide

100

6 =-w/8

w = -48

200

r/10 = 5

r = 50

300

25 = t/5

t = 125

400

2 = y/7

y = 14

500

when you split this value into 20 groups, you get 5 pieces in each group.  How many did you start with?

100