Use substitution to solve the system.
x = 2y-14
2x-3y = –23

If 3x+8=3x+8 is it one solution or no solution

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x