contestada

Using the graphing function on your calculator, what is the solution to the system of equations shown below?
2y- x = 7
3y+ 2x= 21

A) no solution
B) x=3, y= 5
C) more than 1 solution
D) x= 5, y= 3

Respuesta :

SuperLana
Answer:
B, x=3 y=5

Step-by-step explanation:
x=-7+2y
3y+2x=21
Substitute the x into the other equation
3y+2(-7+2y)=21
y=5
Now put the value into a desired equation
x=-7+2(5)
x=3.
The answer is x=3 and y=5

I hope this helped!
davidvasquez2

Answer:

b.

Step-by-step explanation:

Otras preguntas