mads34
mads34
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
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
how many times greater is one gallon than one quart
Which phrases accurately describe the Roman Republic? Choose ALL answers that are correct. A. loss of territory and power in the Punic Wars B. dependent on fore
what did darwin do in order to study plants and animals?
Multiply the equation (y+5)^3
Which of these shifts took place during the Second Industrial Revolution? (A) a shift in population from urban to rural areas (B) a shift from an agrarian econo
During industrialization, which led to an exploration of new economic theories?
which layer of the earth has the most mass and volume? the upper mantle or the lower mantle?
In June 1987, President Ronald Reagan made the "Remarks at Brandenberg Gate, Berlin, Germany". Describe the impact of this speech and discuss how this affected
1.5 as a mixed number in the simplest form
In a bear population, the allele frequency of a gene for brown fur increases from 15 percent to 25 percent. What is happening to the population of bears? A. The
