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Given the system of equations: 12x+4y=60 3x+y=15 Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many soluti…

Given the system of equations: 12x+4y=60 3x+y=15 Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many soluti…
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Given the system of equations:

12x+4y=60
3x+y=15

Use the substitution method to solve the system of equations. Is there a unique solution, no solution, or infinitely many solutions? You must show your work for full credit.

User Nancy
by
8.0k points

1 Answer

6 votes
12x+4y=60
3x+y=15. Then y=15-3x
12x+4(15-3x)=60
12x+60-12x=60
0x=0
Then every x and every y is solution.
Given the system of equations: 12x+4y=60 3x+y=15 Use the substitution method to solve-example-1
User Dirk
by
8.5k points
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