Solve the following system of equations
1.2x+2.4y= -18
-.8x+ .4y = 6

HELP I need the answer RIGHT NOW ASAP (I spaced it out so you could see it better)

Step-by-step explanation:

The given systems is;

Divide the top equation by 1.2 and the bottom equation by by 0.8 to get:

Now add both new equations:

Let us substitute x=3 into x+2y=-15 and solve for y.

3+2y=-15

2y=-15-3

2y=-18

y=-9

The solution is (x=3,y=-9)

i need on these three questions. find standard form equation of line perpendicular to y = (2/3)x - 8 that goes through the point

the equation of a line is -6x-2y=-18 what is the x 3 answers sep 21, 2015

finding the critical point for f(x,y)=(x^2)*y+y^3 1 answer mar 10, 2013

more results from answers.yahoo.com

step-by-step explanation:

i think it is 70

step-by-step explanation: