SOLUTION: solve. system by substitution
y=-4x-7
y=3x
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Question 238650: solve. system by substitution
y=-4x-7
y=3x
Answer by College Student(505) (Show Source): You can put this solution on YOUR website!
To solve by substitution:
1. Leave first equation alone for now.
2. Solve for y on the second equation.
3. Plug in this value into the first eqn to find x
4. Once you know the x value, plug it again in the first equation to find y.
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Problem:
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Your answers are and
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