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

How far across are the wings of a monarch butterfly?

What is the probability of tossing 2 fair coins and having exactly 1 land tails side up?

The house of burgesses and the mayflower compact both reflect the ideas of _________ that the western europeans brought with them to the new world.

what is an out.of.body.experience and how can you make it happen?

3) Multiply, then simplify the square root completely. Show all work.

The 4th Amendment is particularly aimed at a. preventing the use of the exclusionary rule. b. “movable scenes of crime” such as automobiles or boats. c. prevent

The distributive property of multiplication justifies which of the following statements? A 4(y – z) = 4(y) + 4(-z) B 3(s) + 3(t) = 9(st) C 8 + (-8)

use gland and hormone in the same sentence

Why wsd the Nazi soviet pact a shock to the world

What is the slope of the line given by the equation y 2 = −3(x − 7?