4963.32 is the answer your looking for man.
Hello there! x = 66.
x/6 + 4 = 15
This means that since 15 - 4 = 11, x/6 = 11.
Given the two numbers and a variable, we can multiply:
6 x 11 = 66
66/6 = 11
Therefore, x = 66
Hope this helps!
3.5x=42
x represents the length, since the formula to find area of a rectangle is width times length.