23-01-2018
Mathematics

contestada

Solve the system

-0.18x + y = -6.54
-2.8x - y = -2.4

Respuesta :

Аноним Аноним

23-01-2018

aDDING THE 2 EQUATIONS TO ELIMINATE Y WE HAVE

-2.98x = -8.94
x = 3

Plug x=3 into first equation:-
-0.18(3) + y = -6.54
y = -6.54 +0.54 = -6

answer x= 3 and y= -6.

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