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Key Concepts Quiz 4.1
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1
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Write the equation represented by the algebra tiles on the balance shown. Then, solve the equation for x.
A)x – 2 = –6
x = –4
B)x + 2 = –6
x = –8
C)x – 2 = 6
x = 8
D)x + 2 = 6
x = 4
2
Solve the equation 3x = 12 for x.
A)x = 36
B)x = 15
C)x = 9
D)x = 4
3
Solve the equation below for t.
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A)t = 12
B)t = 8
C)t = 4
D)t = 3
4
Solve the equation 2y – 1 = 11 for y.
A)y = 12
B)y = 10
C)y = 6
D)y = 5
5
Dino can rent a canoe from Sylvan Lake Outfitters all day for $100, or he can pay $30 plus $10 per hour. Find the number of rental hours that result in the same cost for either plan.
A)10 h
B)7 h
C)5 h
D)3 h





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