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who221b
who221b who221b
  • 10-05-2016
  • Mathematics
Answered

What is the solution for this system of linear equations?

{23x+4=y

4−2x=y

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 10-05-2016

we can subsitute since
23x+4=y and
4-2x=y
therefor
23x+4=y=4-2x
so
23x+4=4-2x
minus 4 on both sides
23x=-2x
add 2x to both sides
25x=0
divide both sides by... uh oh
I guess x=0

sub
4-2(0)=y
4-0=y
4=y

the solution is (0,4)

Answer Link

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