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If 2y - x = 8 , and 3x - y = 1, what is the value of x ?
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5 votes
If 2y - x = 8 , and 3x - y = 1, what is the value of x ?

User Rich Benner
by
7.5k points

2 Answers

2 votes
order in ax+by=c form
-1x+2y=8 and
3x-y=1
cancle y's
multiply 2nd equation by 2
and add to first

-1x+2y=8
6x-2y=2 +
5x+0y=10

5x=10
divide both sides by 5
x=2

the value of x is 2
User TaoZang
by
7.6k points
7 votes
Hello.

The answer to your question is
x = 2
and y = 5

Have a great day!
User Tommy Penner
by
7.6k points
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