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Mathematics 20 Online
OpenStudy (anonymous):

How many solutions does the system have? x = -4y + 4 2x + 8y = 8

OpenStudy (anonymous):

Rearrange the bottom equation to get x by itself first.

OpenStudy (anonymous):

are you familiar with determinants. ?

OpenStudy (anonymous):

@daboss33 are you familiar with determinants. ?

OpenStudy (anonymous):

no i am not

OpenStudy (anonymous):

this math is forgien to me

OpenStudy (anonymous):

ok write the first equation as x+4y=4 2x+8y=8 these two equations are same . the second equation is just Multiple of two of first one. since they are same equations so the system should have infinite many solutions.

OpenStudy (anonymous):

A. one solution B. two solutions C. infinitely many solutions D. no solution

OpenStudy (anonymous):

so c is my answer?

OpenStudy (anonymous):

yes.

OpenStudy (anonymous):

ty

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