[(2+8)0]+[11(7-1)]+[(9+3)24]=a

Solution for [(2+8)0]+[11(7-1)]+[(9+3)24]=a equation:

Simplifying
[(2 + 8) * 0] + [11(7 + -1)] + [(9 + 3) * 24] = a

Combine like terms: 2 + 8 = 10
[(10) * 0] + [11(7 + -1)] + [(9 + 3) * 24] = a

Multiply 10 * 0
[0] + [11(7 + -1)] + [(9 + 3) * 24] = a

Anything times zero is zero.
[0] + [11(7 + -1)] + [(9 + 3) * 24] = a
0 + [11(7 + -1)] + [(9 + 3) * 24] = a

Combine like terms: 7 + -1 = 6
0 + [11(6)] + [(9 + 3) * 24] = a

Multiply 11 * 6
0 + [66] + [(9 + 3) * 24] = a
0 + 66 + [(9 + 3) * 24] = a

Combine like terms: 9 + 3 = 12
0 + 66 + [(12) * 24] = a

Multiply 12 * 24
0 + 66 + [288] = a
0 + 66 + 288 = a

Combine like terms: 0 + 66 = 66
66 + 288 = a

Combine like terms: 66 + 288 = 354
354 = a

Solving
354 = 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.
354 + -1a = a + -1a

Combine like terms: a + -1a = 0
354 + -1a = 0

Add '-354' to each side of the equation.
354 + -354 + -1a = 0 + -354

Combine like terms: 354 + -354 = 0
0 + -1a = 0 + -354
-1a = 0 + -354

Combine like terms: 0 + -354 = -354
-1a = -354

Divide each side by '-1'.
a = 354

Simplifying
a = 354