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7. Solve each linear system using the elimination method.
a) x - y = 17
x+y=-9
c) 3x + 2y = 10
2x-y=4
b) 2 =2x-3
3x + 2y = //
9
d) x + 7 = y
2x+y = -8

7 Solve each linear system using the elimination method a x y 17 xy9 c 3x 2y 10 2xy4 b 2 2x3 3x 2y 9 d x 7 y 2xy 8 class=


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