03-04-2017
Mathematics

contestada

2x+5y=60
2x-5y=-20

Please show work!

Respuesta :

Goalinetsky Goalinetsky

03-04-2017

(2x+5y=60)
- (2x-5y=-20)
-------------------
10y=80
y=8

2x+5(8)=60
2x+40=60
2x=20
x=10

Answer Link

Otras preguntas

What is the most effective way to protect dry lands from desertification Terrace farming or planting a tree belt

The measure of two supplementary angles have a ratio of 4:5 what is the measure of the larger angle

Please help Easy math (for some people) I will give Brainliest.

Diagnostics adjudication is frequently associated with type of court

Employers are required to reduce employee exposure to potential injury due to hazards. There are specific requirements that must be adhered to regarding workpla

a rectangle has a width that is 3 less than twice the length. If the rectangle has an area of 170 square inches, what is the length of the rectangle?

what is the answer to these questions

simpify[tex]\frac{x^{-1}+y^-1 }{x^{-1} .y-x.y^{-1} }[/tex]

How do you find x & y?

Which statement about truffles is correct? A. They resemble pineapple in texture and color. B. They're prized for being both plentiful and inexpens