Page 92 - Math Course 1 (Book 1)

Solving Equations

Skill Practice!

Solve each equation. Check your solution.
1. y + 6.1 = 19.5 6. 4 x = 16
5 25

q

x = -20
2. m + 5.8 = 19.9 7. 3.2

3 1
6 = n - 10
2 9
3. 8.7 + x = 9.6 8.

-5.2 = 20.8c

4. t - 4.82 = 5.36 9.

1
1 = 6q
2

5. 1 + x = 4 10.
2 7

2
ELECTRICITY If a television uses kilowatt-hours of electricity per hour, how long will it take to use 14
3
kilowatt-hours of electricity?

COMPUTER DISKS Mr. Rosenthal bought 15 computer disks and a carrying case for $28.50. If the carrying
case cost $6.75, what was the cost of each disk? kilowatt-hours of electricity?

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