Question

please help
equations and inequalities
.2x+.4y=-4
.4x+.2y=-2

Answer 1

I can help

Answer 2

Do you know how to solve system of equations?

Answer 3

thank you smartanne! how do you solve?

Answer 4

kind of. having trouble with them

Answer 5

So first take one of the equations and solve for x

Answer 6

the LCD for the iliminating is confusing me

Answer 7

.2x+.4y=-4
.2x=-4-.4y
x=-4-.4y/.2

Answer 8

Simplify that equation in that plug it in (for x) to the second equation and you should get the value of y

Answer 9

Plug in what you get for y in the first equation that you used and you will get the value of x.

Answer 10

Medal if this helped :) Message me if you have any more questions..also fan me I'm on twice a day

Answer 11

0.2x+0.4y=−4;0.4x+0.2y=−2

Step 1: Solve 0.2x+0.4y=−4for x:
0.2x+0.4y+−0.4y=−4+−0.4y(Add -0.4y to both sides)
0.2x=−0.4y−4
0.2x/0.2=−0.4y−4/0.2(Divide both sides by 0.2)
x=−2y−20

Step 2: Substitute−2y−20forxin0.4x+0.2y=−2:
0.4x+0.2y=−2
0.4(−2y−20)+0.2y=−2
−0.6y−8=−2(Simplify both sides of the equation)
−0.6y−8+8=−2+8(Add 8 to both sides)
−0.6y=6
−0.6y/−0.6=6/−0.6(Divide both sides by -0.6)
y=−10

Step 3: Substitute−10 for y in x=−2y−20:
x=−2y−20
x=(−2)(−10)−20
x=0(Simplify both sides of the equation)

And here's your answer:
x=0 and y=−10

That's what I got. :/