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Solve the following system of equations by linear combination: 3x+2y=7 y=x-4
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Aug 3, 2018
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Solve the following system of equations by linear combination: 3x+2y=7 y=x-4
Mathematics
high-school
Brian Bolton
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Brian Bolton
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Express
from first equation:
Then, replace
in second equation with found value and solve it:
Now, replace
in first equation with found value and solve it too:
So the result is:
and
Kevin Maxwell
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Aug 10, 2018
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Kevin Maxwell
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