Show:
Solving by Combining Like Terms
Is that really math?
Expressions
Equation Grab Bag
Word Problems
100
5h + 2 + 2h = 23
h = 3
100

Joe has 17 watermelons and adds 3 more.  How many watermelons does Joe have?

20

100

Simplify. 8b + 3b

11b

100
4x + 9 = 33
x = 6
100
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.
200
3b + b - 8 = 4
b = 3
200

1x + 1y + 2x + 2y - 1x - 1y

2x + 2y

200

Simplify. 19x - 24x

-5x

200
x + 3x = -8
x = -2
200

Jason bought 7 Da Baby t-shirts for a total of $90.93. Each t-shirt cost the same amount. How many Da Baby t-shirts did Jason buy?

7 t-shirts

300
3a + 12 - 6a = -9
a = 7
300

The third planet from the sun.

Earth

300

Simplify. 3 + 5a +20

5a + 23

300

4 + y = 19

y = 15

300

Tyler has 4 boxes of apples. Each box has the same number of apples. After Tyler eats 3 apples, there are 109 apples left in the boxes. How many apples were in each box?

a - # of apples in each box 4a - 3 = 109 a = 28 There were 28 apples in each box.

400
-6 = -3y + 4 + 5y
y = -5
400

The president of the United States of America in 2011.

Barrack Obama

400
Simplify. - (2b - 4)
-2b + 4
400

16x + 2x - 1x + 7

17x + 7

400

Mr. Bucci goes to the grocery store and purchases 17 bags of raisins and a $2.97 jar of peanut butter. His total cost was $34.76. What was the cost for a bag of raisins?

r - cost of a bag of raisins 17r + 2.97 = 34.76 r = 1.87 Each bag of raisins cost $1.87

500
78 = 3c + 12 - c + 4
c = 31
500

This grammatical symbol is used when combining two words such as "you are" or "would have."

apostrophe

500

Simplify. 7t - 2t + 15 - 7 - 3t

2t + 8

500

7k - 8 + 2k = 64

k = 8

500

When you count by ones fron many integer, you are counting consecutive integers. Using variables, three consecutive integers are n, n + 1, and n + 2. The sum of three consecutive integers is 48. What is n?

n + n + 1 + n + 2 = 48 

n = 15