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What is the solution to the system of linear equations? { 4x+3y=54 3x+9y=108 ( , )
asked
Dec 4, 2018
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What is the solution to the system of linear equations?
{ 4x+3y=54
3x+9y=108
( , )
Mathematics
high-school
Swollavg
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Answer:
(6,10)
Explanation:
Daniel Mackay
answered
Dec 5, 2018
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Daniel Mackay
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You can solve this by using the elimination method.
Start by multiplying the first equation by -3:
Now we have:
Add these equations to eliminate y:
Divide both sides by -9 to get:
x=6
Plug x=6 into 2nd equation:
y=10
Final answer:
(6,10)
YPCrumble
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Dec 9, 2018
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YPCrumble
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