vikramgreat vikramgreat

25-02-2018
Mathematics

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x + y = 21 3y + x = 19 Which value of x is part of a solution to this system of equations?

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calculista calculista

21-04-2018

we have that
x + y = 21
3y + x = 19

using a graph tool
see the attached figure

the solution is the point (22,-1)

the answer is
the value of x is 22

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