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March 28, 2015

Homework Help: 7th grade math

Posted by saranghae12 on Monday, April 9, 2012 at 10:57pm.

How would you solve the problem below using subsitution method?

7x - 2y = 5
x = y


If you could explain and show this step by step, it would help a lot.

How would you solve the problem below using combination method?

3x - 2y = 12
-3x + 8y = -6


If you could explain and show this step by step, it would help a lot.



Thank you.

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