SOLUTION: solve by the elimination method 7x+5y=7 4x-5y=-51
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Question 421529: solve by the elimination method 7x+5y=7 4x-5y=-51
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
7x+5y=7 .............1
4x-5y=-51.............2
Add the two equations
11x+=-44
/11
x=-4
plug value of x In (1)
7x+5y=7
-28+5y= 7
5y=7+28
5y=35
y=7
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