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x - 3y = 11

So x = 11 + 3y

Then, by the other equation, 4x + 3y = -1

becaomes 4(11+3y) + 3y = -1

or 44 + 12y + 3y = -1

or 15y = -45 so that y = -3

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Q: Solve the following system of equations What is the value of y when x - 3y equals 11 4x 3y equals -1?
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