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

solve 2/3 + 1/4x = 1/3

FACTORIZE. 9x2y-24xy2-16y3 solve it

The process by which rocks are broken down into smaller fragments by the atmosphere and other factors in the environment is called?

Horace read 160 pages in 4 hours. How many pages can he read in 6 hours??

Which of the following rivers is the world's busiest waterway ?

what is the meaning or definition of fighting-gear??

Terri's teacher gives her the equation 3(5)^x=127-2x, and tells her that she will not know how to solve it algebraically. Explain how Terri could use a graph to

How do u write 6 more the 7 times a number is 41 in algebraic equation??

other name for blood

(X+12) 2 ÷ x2-144 ×-12. 12×-144