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

My mother is 43 years old.I am w years old. Write an expression as to how old we will both be in h year's time.

explain why the women cannot see the reflection of her toes?

Find the area of triangle ABC and the area of XYZ. AABC - AXYZ. Z B 39 A 13 67° 36 Y + W 15 x

"Being deeply loved by someone gives you strength, while loving someone deeply gives you courage." What does the quote mean?

5.) What can be done to change the long-standing practices that are among the problems that plague African American males who participate at all levels of colle

. The perimeter of a square is 8y – 12. The area of the square is 100 square units. What is the value of y?

Lesson4Cure the MaterialsWhat's InAwesome, you've done it well! You are ready now to proceed in our new lesson.However, you must first try this!Activity 1.1 - C

HELPPP THANKS ILL GIVE BRAINLIEST! no links

Cody bought two burgers and two small fries for $14. Mary bought three burgers and four small fries for $23. How much does one burger cost?

Please help.......................