Answer:
x,y=(4, 15)
Explanation:
We need to substitute the value of y=4x-1 and plug it into the equation 2x+y=23.
By this we get:
2x+4x-1=23
6x-1=23
6x=24
x=4
We can now solve for y using the given value of x.
2x+y=23
2×4+y=23
8+y=23
y=23-8
y=15
Explanation: