Simplify by combining like terms: 9x - 3y -5x + 2y -x + 2

What is the value of x in the following equation. -x ^3/2 = -27

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)