SOLUTION: I'd like to learn how to solve this with different methods 7) 18x+5y=-11 12x+11y=31 8) 9x+7x=-4 11x-13y=-48 9) 12x-14=20 12y-14=-19

SOLUTION: I'd like to learn how to solve this with different methods 7) 18x+5y=-11 12x+11y=31 8) 9x+7x=-4 11x-13y=-48 9) 12x-14=20 12y-14=-19

Algebra.Com

Question 186311: I'd like to learn how to solve this with different methods
7) 18x+5y=-11
12x+11y=31
8) 9x+7x=-4
11x-13y=-48
9) 12x-14=20
12y-14=-19

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
watch this video and it will show you different ways to solve linear equations like these
http://collabvsl.wetpaint.com/page/Solving+Systems+of+Equations
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