3000[(1+.08)-1]=a

Solution for 3000[(1+.08)-1]=a equation:

Simplifying
3000[(1 + 0.08) + -1] = a

Combine like terms: 1 + 0.08 = 1.08
3000[(1.08) + -1] = a
3000[1.08 + -1] = a

Combine like terms: 1.08 + -1 = 0.08
3000[0.08] = a

Multiply 3000 * 0.08
240 = a

Solving
240 = a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-1a' to each side of the equation.
240 + -1a = a + -1a

Combine like terms: a + -1a = 0
240 + -1a = 0

Add '-240' to each side of the equation.
240 + -240 + -1a = 0 + -240

Combine like terms: 240 + -240 = 0
0 + -1a = 0 + -240
-1a = 0 + -240

Combine like terms: 0 + -240 = -240
-1a = -240

Divide each side by '-1'.
a = 240

Simplifying
a = 240