27 is 3 times a number y
The difference of a number x and 4 is 3
8 more than a number p is 17
Half of a number q is 14
Write an equation that can be used to find the value of x:
Perimeter of rectangle: 32 cm

Write an equation that can be used to find the value of x:
Perimeter of triangle: 20 in.

You spend $16 on 3 notebooks and x binders. Notebooks cost $2
each and binders cost $5 each. Write an equation you can use to find the
number of binders you bought.