SOLUTION: solve for x and y in following systems of equations 3x+y=7 6x+y=16 y=-3x=7 x=7/3-y/3 y=-6x+16 x=8/3-y/3
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Algebra: Expressions involving variables, substitution
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Question 228845
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solve for x and y in following systems of equations 3x+y=7 6x+y=16 y=-3x=7 x=7/3-y/3 y=-6x+16 x=8/3-y/3
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y=-3x=7 x=7/3-y/3 y=-6x+16 x=8/3-y/3????