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)
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4(59-9y)+5y=19
236-36y+5y=19
-31y=-217
y=7
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x=-4
(