supergirl20
supergirl20 supergirl20
  • 03-03-2017
  • Mathematics
contestada

What's the answer and how to get it???

Whats the answer and how to get it class=

Respuesta :

sugeeeeeee sugeeeeeee
  • 03-03-2017
4x and -4x cancel each other out by elimination so now you add 8y and 2y getting you 10y and now you add 20 and -30 getting you -10 so 10y=-10
Answer Link

Otras preguntas

if 2.0 g of hydrogen sulfide, H2S(g) reacts with 5.0 g of sodium hydroxide what mass of the excess reactant is present when the reaction is complete
can someone please help me !!
An copper mass is heated and placed in a foam cup calorimeter containing 45.0 mL of water at 24.0 degrees celcius. The water reaches a temparture of 75 degrees
Lesson 2: Natural Selection I need answers to portfolio or my mom will kill me
pls help i need help now
please help me out......i swear i will help u out then​
Which of the following first turned the tide of the Korean War in favor of the United States and South Korea? A. the Pusan perimeter B. the taking of Seoul C.
The image of an object in a flat mirror is always the same _____ as the object.
One day, a person went to a horse racing area. Instead of counting the number of humans and horses, he counted 74 heads and 196 legs. How many humans and horse
Miguel is selling magazine subscription to raise money for school. Each subscription sells for 15.00 and he promised to raise at least 180.00. Write and solve a