PLEASE HEL Solve each equation. Check your solution. (Please help! I will give brainliest to whoever answers them all!) 1. -1/2 = -6/18h
2. 16 = 3/10 a
3. 3/5 x = 12
4. 15/7y = 3
5. 14/3 = -7/9b

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm