3 years ago

Solve the system of linear equations by adding or subtracting -6x+y=5 7x-y=-4

Mathematics

2 answers:

bekas [8.4K]3 years ago

8 0

Adding you make it the opposite of

viva [34]3 years ago

8 0

You would add these equations together to solve by elimination. It is easiest to solve first for x because y cancels right off the bat.
You should get (1,11) as your solution

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please see the attached picture for full solution

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