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What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30
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What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30
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Oct 26, 2017
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What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30
Mathematics
high-school
Ron Bergin
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Answer:
I did -8 probably wrong
Explanation:
Cory Quammen
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Oct 27, 2017
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Cory Quammen
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x + y = 1.....multiply by -2
2x - 3y = -30
-----------------
-2x - 2y = -2 (result of multiplying by -2)
2x - 3y = -30
----------------add
-5y = -32
y = -32/-5
y = 32/5 or 6.4 <===
Rudolfv
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Nov 1, 2017
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Rudolfv
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