SOLUTION: Solve the following systems of equations using substitution. 3x-2y=-3 25x+10y=215

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Question 335350: Solve the following systems of equations using substitution.
3x-2y=-3
25x+10y=215
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.3x-2y=-3
2.25x%2B10y=215
From eq. 1,
2y=3x%2B3
10y=15x%2B15
Substitute into eq. 2,
25x%2B15x%2B15=215
40x=200
highlight%28x=5%29
Then from eq. 1,
2y=3%285%29%2B3
2y=15%2B3=18
highlight%28y=9%29