Answer:
See below PLEASE GIVE BRAINLIEST
Step-by-step explanation:
5(x -3) - x =
5x - 15 -x =
5x - x - 15 =
4x - 15 =
4x = 15
x = 15 ÷ 4
x = 3.75 5(3.75 - 3) - x = 18.75 - 15 - 3.75 = 0
-4x+y=6
y=4x+6
-x=3
y=4(-3)+6
y=-6
therefore, y=-6, x=-3
18^4 this is another way to show an exponent