You can put this solution on YOUR website! 2x + y = 5
x = y + 7
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put the system of linear equations into standard form
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2x + y = 5
x - y = 7
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solution:
x = 4
y = -3
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now by substitution:
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2x + y = 5
x = y + 7
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2(y + 7) + y = 5
2y + 14 + y = 5
3y = -9
y = -3
x = -3 + 7
x = 4
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solution by substitution:
x = 4
y = -3
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