3 years ago

Determine the number of solutions the system of 1/3y-5=2x and y=3(2x+5)

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

3 0

Answer:

A. (4,1)

Step-by-step explanation:

2x -5y = 3

x -3y = 1

Change the equation to isolate a variable so you can substitute it in the other one.

x = 1+3y so

2(1+3y) -5y = 3

2 + 6y -5y =3

2 + y = 3

y=1

Back to the easy equation we isolated

x = 1+3(1)

x= 4

(4,1) is a point where x=4 and y=1

hendikeps2 and 22 more users found this answer helpful

THANKS

5.0

(9 votes)

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