y = 3x - 7
Mathematics, 03.05.2021 19:10 achoward08
Solve each system by substitution. Show your work.
1) y = -3x - 1
y = 3x - 7
2) y = 7x + 16
y = 4x + 10
3) y = -3x - 5
y = 8x + 17
4) y = -2x + 4
y = x + 1
5) y = 6x + 8
y = 2x + 4
6) y = 7x + 7
2x - 4y = -2
7) -5x - 6y = -22
y = -7x + 16
8) -5x - y = 17
y = -6x - 22
9) y = 7x - 5 -8x + 3y = -2
10) y = 8x - 7 -7x - 7y = -14
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-3-
11) 4x - 3y = 19 -3x + y = -18
12) 7x + y = 0
7x - 7y = 0
13) x - y = 4
7x + 3y = -12
14) 5x + 7y = 7
x + 5y = 5
15) -6x - 6y = 0
5x + y = 8
16) -2x - 2y = 12 -7x + 7y = 0
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-4-
17) 6x - 3y = 6
8x - 5y = 8
18) -4x - 7y = -16
6x - y = -22
19) -4x - 5y = 16
5x + 7y = -23
20) -4x - 4y = -20
4x + 3y = 19
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Acontainer holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of oil are in the container? express your answer as both a fraction and a decimal.
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Solve each system by substitution. Show your work.
1) y = -3x - 1
y = 3x - 7
y = 3x - 7
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