SOLUTION: solve by substitution:
1: x-y=-8
y=3x
2: 2x+y=1
x=8-3y
Solve:
3:x+y=20
-2x+y=5
4:3x+y=8
x-y=12
Algebra.Com
Question 370279: solve by substitution:
1: x-y=-8
y=3x
2: 2x+y=1
x=8-3y
Solve:
3:x+y=20
-2x+y=5
4:3x+y=8
x-y=12
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
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