SOLUTION: solve by substitution method
4x+5y=19
x=59-9y
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Question 280639: solve by substitution method
4x+5y=19
x=59-9y
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
4(59-9y)+5y=19
236-36y+5y=19
-31y=-217
y=7
----------------
x=-4
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