Solving Multi-Step Equations

One Step Equations

100

Solve for y:

20 + y = 24 

y=4

200

solve for b:

3b  = 12

b = 4

300

solve for x

x/2 = 25

x=50

400

solve for x:

1.25x = 5

x = 4

500

solve for x:

x + 249 = 3980.46

x = 3731.46

Solving by Using the Distributive Property

100

solve for x

2(x + 5) = 14

x = 2

200

solve for d

5(d - 2) = 40

d = 10

300

solve for t

7(4 + t) = 35

t = 1

400

solve for x

-2(x + 9) = 2

x = -10

500

solve for a

23 (a +2 ) = 0

a = -2

Angles

100

What does a supplementary angle add up to?

180 degrees 

200

Vertical angles are two angles that are _____________

equal

300

When measuring an angle what is the measuring device we use?

protractor

400

If two angles are supplementary and one angle is 40 degrees and the other one is 2x degrees, find x. Hint: write an equation 

x=70

500

If two angles are vertical from each other, and one angle is 45 degrees and the other angle is 3x + 15 degrees, what is the value of x? 

x=10

Two Step Equations

100

solve for x

4x + 1 = 5

x = 1

200

solve for x:

1 + 3x = 10

x = 3

300

solve for x: 

4x -5 = -4

x = .25 or 1/4

400

solve for m:

-6m + 8 = -16

m = 4

500

solve for m:

1.25m + 10= 16.25

m = 5

Grab Bag

100

What does a complementary angle add up to?

90 degrees

200

When is our test?

Thursday or tomorrow 

300

WRITE AN EQUATION & SOLVE: Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?

n - Julie's sister's age n + 3 = 11 n = 8 Julie's sister is 8 years old.

400

solve for x: 

-6 =  4 + 5x

x = -2

500

solve for c:

78 = 3c - c + 8

c = 35