Solve for x
A 12.8
B 18.3
C 5.7
D 21.4

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?