Solve the system of equations by hand.-2x+y=5-6x+3y=21

Yasmin

Yasmin

Answered question

2021-09-14

Solve the system of equations by hand. {2x+y=56x+3y=21

Answer & Explanation

Mayme

Mayme

Skilled2021-09-15Added 103 answers

3x+y=2(1)
9x3y=6:(3)
Equations are same. So, we have infinite solution. Let(x,y) be any solution of the system.
(1)y=3x+2
(x,y)=(x,3x+2)
=x(1,3)+(0,2)
:. All solution are ->
{x(1,3)+(0,2):xR}

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