Question

Solve the system -0.18x + y = -6.54 -2.8x - y = -2.4

Answer 1

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.