Solving by Combining Like Terms
Scientific Notation
Expressions
Equation Grab Bag
Potpourri
100
5h + 2 + 2h = 23
h = 3
100

2(2 + 102) 

4 + 102

100

Simplify. 8b + 3b

11b

100

4x + 9 = 33

x = 6

100

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

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

200
3b + b - 8 = 4
b = 3
200

5x(5 x 104)

2.5 x 105

200
Simplify. 19x - 24x
-5x
200
x + 3x = -8
x = -2
200

square root of 64

What is 8

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

5.18 x 103

What is 5,180

300
Simplify. 3 + 5(a + 4)
5a + 23
300

4(y - 2) + y = -13

y = -1

300

-23 +33=

What is 11

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

2.634 x 104

What is 26,340

400
Simplify. - (2b - 4)
-2b + 4
400
-6(m + 1) + 18 = 24
m = -2
400

Kyle 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

5.55 x 105

What is 555,000

500
Simplify. 7(t + 8.5) - 5t + 4
2t + 63.5
500

7k - 8 + 2(k + 12) = 52

k = 4

500

-35 + -17=

What is -52

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