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OpenStudy (anonymous):
What is the value of the y variable in the solution to the following system of equations? 3x + y = 11 -3x + 2y = 1
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OpenStudy (fibonaccichick666):
so, if you"add" the eq piece by piece what do you get?
OpenStudy (fibonaccichick666):
or, you can solve one for x and insert that into the other
OpenStudy (fibonaccichick666):
your last option is to make a coefficient matrix.
OpenStudy (fibonaccichick666):
which do you prefer?
OpenStudy (anonymous):
add the equations vertically
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