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7 - 2x - 5y=-7 3x + 4y = 7
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7 - 2x - 5y=-7
3x + 4y = 7

User Michael Shnitzer
by
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1 Answer

5 votes
-7 + 7 = 0
-5y = 2x
-5y/5 = y
2x/5 = 2x/5

y = 2x/5

4y = -3x + 7

4y/4 = y

-3x/4 + 7/4

y = -3x/4 + 7/4

User Bleiz
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5.0k points
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