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Question

how do you do equations where they don't give you y to start like
-4x +y =6
-5x - y=21
Jun 6, 2012

Answers

Ms. Sue
-4x +y =6

y = 6 + 4x

Jun 6, 2012
Then use (6+4x) for y in the second equation.
Jun 6, 2012

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