koalarules6 koalarules6

23-11-2016
Mathematics

Answered

-4x+8y=-256 -6y = x. how do u solve this equation by substitution.

Verified Answer :

apologiabiology apologiabiology

23-11-2016

to make it soo much easier, divide top equation by 4
-x+2y=-64

now
-6y=x
sub -6y for x
-(-6y)+2y=-64
6y+2y=-64
8y=-64
divide both sides by 8
y=-8

sub back
-6y=x
-6(-8)=x
48=x

x=48
y=-8
(x,y)
(48,-8)

Answer Link

Related Questions

How do I solve this problem What method do i use another words x23x100

More people more income

Quan plans to spend less than 80 for buying groceries He plans to spend 6825 on food and spend the rest on juice Each juice carton costs 3 He is curious how man

107 times what equals 1

How to highlight every other row in excel

what is the central theme for the story exercise

can you help me with this

Explain how to use the distributive property to solve 483 include a model to support your explanation

The discovery of hannurabis law code was an important archeological find because it

why does it take 10 copies of 1 sixth to make the same amount as 5 copies of 13

Web Analytics Made Easy - Statcounter