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Linear Equations in One Variable
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04/08/2021 10:32 am
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Solve the following equations.
1. 7x – 9 = 16
2. 14y – 8 = 13
3. 17 + 6p = 9
4. x/3 + 1 = 7/15
1 Answer
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04/08/2021 10:45 am
1. 7x – 9 = 16
7x – 9 = 16
7x = 16+9
7x = 25
x = 25/7
2. 14y – 8 = 13
14y – 8 = 13
14y = 13+8
14y = 21
y = 21/14
y = 3/2
3. 17 + 6p = 9
17 + 6p = 9
6p = 9 – 17
6p = -8
p = -8/6
p = -4/3
3. x/3 + 1 = 7/15
x/3 + 1 = 7/15
x/3 = 7/15 – 1
x/3 = (7 -15)/15
x/3 = -8/15
x = -8/15 × 3
x = -8/5