SOLUTION: x=3y-1
x+2y=9
How do I solve the sytem of equation using the subsitution method? Please show the work!
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Question 20166: x=3y-1
x+2y=9
How do I solve the sytem of equation using the subsitution method? Please show the work!
Answer by christinaaa192(28) (Show Source): You can put this solution on YOUR website!
subsitute x with 3y-1
so---
3y-1+2y=9 =
5y-1=9 =
5y=10 =
y=2
now that we know y we can solve for x
x+2(2)=9 =
x+4=9 =
x=5
i hope this can help
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