mads34 mads34
  • 03-04-2017
  • Mathematics
contestada

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


Please show work!

Respuesta :

Goalinetsky
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

two waste products of metabolic state their source and how they are removed from the blood​
what is 2x2x2x3x3 please give me answer
Evaluate EquationPlease Help Me!!
What was the purpose of the Declaration of Independence? Served as a warning against Native Americans. Informed everyone of America's break away from Britain. W
Honestly, I'm trying my best to solve this but my Math XL is being so rude. ​
Write the following dates out in words. EXEMPLE 4/9/1682: la fondation de la Louisiane par les Français le quatre septembre mil(le) six cent quatre-vingt-deux/
Put the following equation of a line into slope-intercept form, simplifying all fractions. 4x + 2y = -18
How is the effect of straight-ticket voting similar to the coattail effect?
Anjali wanted to eat chick pea (Kontaikkatalai). She requested her mother to cook the same on next day. At night her mother took a cup of chick pea and put them
what is Newton's first law of motion?EXPLAIN WITH SOME EXAMPLES​