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Riddle puzzle: Solving equations
Solve each question. Find your answer in the decoder and write its letter in the box. The letters answer the riddle.
Name
Date
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- 1.Solve: x/3 + 1 = 11
- 2.Solve: y + 9.8 = 28.5
- 3.Solve and check by substituting: 4x + 5 = −23
- 4.Solve: x/6 + 5 = 11
- 5.Solve and check by substituting: 4x + 5 = −3
- 6.Solve: 9 − 4x = 41
- 7.Solve: x ÷ 4 = 15
- 8.Solve: 7 − 9x = −65
- 9.Solve: 2x + 16 = 18
- 10.Solve and check by substituting: 3x + 14 = 41
- 11.Solve: −6x + 20 = 26
Decoder
x = -2S
y = 18.7I
y = 15.1X
x = 60Q
x = -8S
x = -1E
x = 36E
x = 9R
x = 56Z
x = -7M
x = 30T
x = 1A
x = 6J
x = 8U
x = 100K
The answer to the riddle
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11
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