How to solve the equation 75% x = 54

How to solve the equation 75% x = 54


75%X=54
x=54/75%
x=54/(3/4)
x=54*4/3
x=72



How to solve this equation? 250x = 200 * (6.75-x)


250X = 200 * 6.75 - 200X
250X + 200X = 200 * 6.75
450X = 1350
X = 1350 / 450
X = 3



Can the equation (8-x) ^ 2-x ^ 2 = 36 be solved?
How to remove brackets?
What did you get?


(8-X)^2-X^2=36
[(8-x)+x][(8-x)-x]=36
8(8-2x)=36
x=7/4



Equation x + 2x = 36


x=12