maryamajeelali maryamajeelali

04-03-2020
Mathematics

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solve the system of equations -x-y=-4 and -2x+4y by combining the equation

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emmelys emmelys

04-03-2020

what does the second equation equals to? (-2x+4y=?) I’ll help u out

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anastasiathom anastasiathom

04-03-2020

Answer:

×=8/3 and y=4/3

Step-by-step explanation:

-x-y=-4

-2x+4y=0

-2x=-4y

x=2y

so -2y-y= -4 and x= 2•4/3

-3y=-4 x=8/3

y=4/3

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