Solve the system of equations -4x + 3y = -2 y = x - 1

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13-05-2018
Mathematics

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Solve the system of equations -4x + 3y = -2 y = x - 1

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jack42405 jack42405 · Answer 1 · 2018-05-13T16:10:27+02:00

jack42405 jack42405

13-05-2018

You can use the substitution method.
Plug in x-1 to the first equation and solve.
-4x+3(x-1)=-2
-4x+3x-3=-2
-x=1
X=-1
You then plug x into one of the original equations and solve
Y=-1-1
Y=-2
Answer:(-1,-2)

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