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RSB [31]
3 years ago
13

What is the solution for this system of linear equations? {23x+4=y 4−2x=y

Mathematics
1 answer:
liubo4ka [24]3 years ago
3 0
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)
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