SOLUTION: Solve using the substitution method
3x+7y=-33
2x-y=12
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Question 1102999: Solve using the substitution method
3x+7y=-33
2x-y=12
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1.
2.
From eq. 2,
Multiplying by 3,
3.
I'll call this equation 3.
Multiplying eq. 1 by 2 you get,
Substituting from eq. 3,
Solve for y and then use any of the equations to solve for x.
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