[See Solution] Solve by using the substitution method 4x+3y=-40 , 5x-y=-12
Question: Solve by using the substitution method
\[\begin{aligned} & 4x+3y=-40 \\ & 5x-y=-12 \\ \end{aligned}\]
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(Steps Shown) Solve by using the substitution method 3x+5y=22 , 4x-7y=-39
(Step-by-Step) The income from a student production was $10,000
(See Solution) Use the elimination by addition method to solve the
(Solution Library) Use the elimination by addition method to solve
![[Steps Shown] Use the elimination by addition](/images/solutions/MC-solution-library-59931.jpg "[Steps Shown] Use the elimination by addition method to solve the")
[Steps Shown] Use the elimination by addition method to solve the
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