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28-01-2019
Mathematics

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What is the solution of the system of equations -2x + y= -3 -x+2y= 3

A- (3,3)
B- (0, 2)
C- (-3,-9)
D- (-21,-9)

Respuesta :

SINAZEUS SINAZEUS

01-02-2019

A is true
[tex] - 2x + y = - 3 \\ - x + 2y = 3 \\ = = = = = = = = = \\ 3x = 9 \\ x = 3 [/tex]
[tex] - 3 + 2y = 3 \\ 2y = 6 \\ y = 3[/tex]

good luck

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