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13-01-2017
Mathematics

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2x + 4y = 12 y = x – 3 What is the solution to the system of equations?

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VTheStampyLover VTheStampyLover

13-01-2017

2x+4y=12
y=x-3

Since we know what y equals, we can plug this into the first equation:
2x+4(x-3)=12
We can then distribute:
2x+4x-12=12
And solve for x:
6x-12=12
6x=24
x=4
We can then plug x into the second equation and find y:
y=x-3
y=4-3
y=1

Therefore x=4 and y=1

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