Solve linear equation y=4-x y=x-4

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25-02-2016
Mathematics

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Solve linear equation y=4-x y=x-4

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Willchemistry Willchemistry · Answer 1 · 2016-02-25T04:10:45+01:00

Willchemistry Willchemistry

25-02-2016

{ y = 4 - x
y = x - 4

Subsititute y = x - 4

[ ( x - 4 )] = 4 - x ]

isolate x for ( x - 4 ) = 4 - x

x = 4

For y = x - 4

Subsititute x = 4

y = 4 - 4

y = 0

Solution

x = 4 and y = 0

hope this helps!

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