Florida11 Florida11
  • 03-11-2016
  • Mathematics
contestada

5x-6y=-15 5x+6y=12 use elimination

Respuesta :

Аноним Аноним
  • 03-11-2016
5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3

5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6

y = 2.25
Answer Link

Otras preguntas

You are starting a lawn care business. Which of the following would be a needed land resource? Lawns Oil Lawnmower Hedge clippers
do you want lower taxes? do you want a better education for your kids? are you ready for a change? if you answered "yes," vote for george v. jones the purpose o
Which statement belongs in the intersection of the Venn Diagram? (4 points) The distance around a closed figure The space within a closed figure Measu
what is silk screen?
Which description best characterizes the North during the years leading up to the Civil War? A) urban, rural, and anti-slavery B) industrial, urban, and anti-sl
How do you calculate a nation's per capita income?
Which era, characterized by the extinction of reptiles and the appearance of mammals, is considered significant in geological history?
in which town was the first festival held, that later became known as the olympics? a. sparta b. olympia c. athens d. theos check
what is the answer to (-3)+(+4)=
Three teachers equally shared 4/5 of a flat of paper that was donated to the school. What fraction of the flat of paper did each teacher receive? answer choice