Pettylettyxo776 Pettylettyxo776
  • 13-01-2021
  • Mathematics
contestada

Y=-5x+30 7x+3y=42 1111

Respuesta :

pema3tshomo
pema3tshomo pema3tshomo
  • 13-01-2021

Step-by-step explanation:

7x+3y=42.

y=-5x+30.

7x+3(-5x+30)=42

7x-15x+90=42

8x=42-90

-8x=-48

x=-48/-8

x=6

y=-5x+30

y=-5×6+30

=-30+30

y=0

(6,0)

Answer Link

Otras preguntas

How does the size of the product compare to the size of one factor when multiplying fractions less than one
The _____ side of your heart receives deoxygenated blood full of carbon dioxide. Left Lower Right Upper
it takes 1 1/2 hours to set up a computer workstation at this rate how many hours it takes u to set up 7 workstation
Before 1850, most people lived in urban areas. A).True B).False
how did magellans discovery of what is now considered the Phillipines directly affect the native populations that were living there?
Which of the following is NOT transferred by alveoli? a. oxygen b. blood c. carbon dioxide d. gases
The back of a spoon is a ____ mirror. a. concave c. convex b. complex d. normal
a branch of mathematics that uses variables is called?
The protection of children s education rights from excessive work time was guaranteed by the... a. The Rehabilitation Act b. The Fair Labor Standards Act c.
14. Which of the following organic molecules may have up to four levels of structure?