Linear function can someone help me please

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

throw the computer

step-by-step explanation:

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).