Question

Solve the system of equations

-4x + 11y =15
x=2y
x=____
y=____

someone help please! ​

Answer 1

x=10, y=5

Step-by-step explanation:

-4x + 11y = 15

x = 2y

Use substitution:

-4(2y) + 11y = 15

-8y + 11y = 15

3y = 15

y = 5

Now find x:

x = 2y

x = 2(5)

x = 10