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pogonyaev
3 years ago
10

State which method you would use to solve the following system of equations

Mathematics
1 answer:
Tanya [424]3 years ago
4 0
Elimination
first i would divide the second equation by -2.
x - y = -2
-x- 2y = -19
the x is eliminated.
-3y = -21
divide each side by -3.
y = 7
plug 7 in for y to solve for x
x-7 = -2
x = 5
(5,7)
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