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Use elimination to solve the system of equations given by -7x + 3y = 14 and 7x - 2y = -14.
(-2, 0)
(1, -2)
(0, -2)
(0, 2)

2007-04-28 15:56:11 · 2 answers · asked by miles k 1 in Business & Finance Other - Business & Finance

2 answers

(-2, 0)
-7(-2) + 3(0) = 14
7(-2) - 2(0) = 14

2007-04-28 17:06:20 · answer #1 · answered by F. Frederick Skitty 7 · 0 0

upload the equations mutually. If a = b then you definately can say a + c = b + c. If a = b and c = d then you definately can say a + c = b + d. -7x + 3y = 14 7x - 2y = -14 (-7x + 3y) + (7x - 2y) = 14 + -14 y = 0 7x - 0 = -14 x = -2

2016-10-14 01:29:05 · answer #2 · answered by petrosino 4 · 0 0

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