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Solve by substitution. X = y + 3 3x + y = 25
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1 vote
Solve by substitution.

X = y + 3
3x + y = 25

User Anouar Mokhtari
by
6.0k points

1 Answer

2 votes
1.distribute
3y+9+y=25
2. combine like terms
4y+9=25
3. subtract 9 from both sides
4y=16
4. divide
Solution: y=4
and for X it would be
X= (4) +3
X=7
so the Final solution is (7,4)
User Melquan
by
6.5k points
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