3+3*3-3+3=a

Solution for 3+3*3-3+3=a equation:

Simplifying
3 + 3 * 3 + -3 + 3 = a

Multiply 3 * 3
3 + 9 + -3 + 3 = a

Combine like terms: 3 + 9 = 12
12 + -3 + 3 = a

Combine like terms: 12 + -3 = 9
9 + 3 = a

Combine like terms: 9 + 3 = 12
12 = a

Solving
12 = 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.
12 + -1a = a + -1a

Combine like terms: a + -1a = 0
12 + -1a = 0

Add '-12' to each side of the equation.
12 + -12 + -1a = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1a = 0 + -12
-1a = 0 + -12

Combine like terms: 0 + -12 = -12
-1a = -12

Divide each side by '-1'.
a = 12

Simplifying
a = 12