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Chapter 2 Test Retake
Contributed by: Swenson
Match each equation with the correct method to solve
1.  -6y = 12

2.  12y = -6

3.  y/-6 = 12

4.  x+4 = -6
B.  Divide both sides by -6
?
C.  Divide both sides by 12
?
D.  Subtract 4 from both sides
?
A.  Multiply both sides by -6
?
SOLVE EACH EQUATION, THEN CHECK.
5.  K + 17 = 29
K = 
CHECK
K + 17 = 29
+ 17 = 29
=
SOLVE EACH EQUATION, THEN CHECK.
6.  h - 37 = -42
h = 
CHECKh - 37 = -42
- 37 = -42
=
SOLVE EACH EQUATION, THEN CHECK.
7.  z/8 = -3
z = 
CHECKz/8 = -3
/8 = -3
=
SOLVE EACH EQUATION, THEN CHECK.
8.  -7n = -56
n = 
-7 x 
CHECK-7n = -56
= -56
=
9.  A student collects 12 ladybugs for a science project.  This is 9 fewer
than the number of ladybugs the student collected yesterday.  Define
a variable, write and solve an equation to find the number of 
ladybugs the student collected yesterday.
Equation:
Problem:  
=
=
Variable:
10.  Nine weeks from now Susan hopes to buy a bicycle that costs
$180.  How much money must she save per week?  Define a variable,
write and solve an equation to find how much money she must
save per week.
Equation:
Problem:  
=
=
Variable:
SOLVE THE EQUATION.  THEN CHECK

11.  5n - 18 = -33
5n =
n =
CHECK:
5n - 18 = -33
5 (        )
- 18 = -33
- 18 = -33
=
SOLVE THE EQUATION.  THEN CHECK
12.  w/5 + 3 = 6
w/5 =
w =
CHECK:
w/5 + 3 = 6
/5 + 3 = 6
+ 3 = 6
=
SOLVE THE EQUATION.  THEN CHECK
13.  6(n - 2) = 6
n =
6n =
= 6
6
CHECK:
6(n - 2) = 6
(
6
x
- 2) = 6
= 6
=
14.  Whats the error?  1/2(b - 8) = 4

1/2b - 4 = 4
        +4   +4
1/2b = 8
÷2     ÷2
b = 4
Answer
15.  In addition to her hourly rate, an electrician charges a fee to come
to your house.  This can be modeled by 40h + 35 = 115.  Explain what 
each part of the equation represents.  Then solve the equation to find
the number of hours she works.
40h =
Problem:  
=
=
115 =
35 =
16.  You order 3 posters advertised on the internet.  Each poster
costs the same amount.  The shipping charge is $5.  The total cost of 
the posters plus the shipping is $41.  Define a variable, write and solve
an equation to find teh cost of one poster.
Equation:
Problem:  
=
=
Variable:
17.  Jenna has at most $60 to spend on clothes.  She wants to buy a 
pair of jeans for $22 and spends the rest on t-shirts.  Each t-shirt
costs $8.  Define a variable write, and solve an equation to find the 
number of t-shirts she can buy.
Equation:
Problem:  
=
=
Variable:
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