Find the solution to the system of linear equations using elimination.

label Algebra
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Find the solution to the system of linear equations using elimination.

{3x-3y=18

{3x+5y=2

Solution:

Jul 30th, 2014

subtract the second eqn from the first.

-8y=16

y=-2

substitute into second eqn:

3x+5(-2)=2

3x-10=2

3x=12

x=4

Hence, the answer is (4,-2).

Jul 30th, 2014

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Jul 30th, 2014
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Jul 30th, 2014
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