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13-09-2020
Mathematics

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Use elimination to solve and match each system of equations to the correct solution.
2x-9y=-51
2x-3y=-9

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13-09-2020

Answer:

2x-9y=-51

2x-3y=-9

subtract question ii from i we get

-6y = -42

y =7

put value of y in 1

2x - 63 = -51

2x= 8

x=4

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