sbarrick sbarrick

17-12-2016
Mathematics

Answered

What is the solution of the system of equations?

y = –2x + 8

y = x – 4

Verified Answer :

MathisLif3 MathisLif3

17-12-2016

you could treat it as a matrix and solve it that way
graph and find intersection
etc.

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17-12-2016

y = –2x + 8
y = x – 4

Set them to equal to each other to solve for x.

x - 4 = -2x + 8

3x = 12

x = 4

Plug 4 for x in either equation.

y = x – 4

y = 4 - 4

y = 0

So (4, 0)

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