255+55=a

Solution for 255+55=a equation:

Simplifying
255 + 55 = a

Combine like terms: 255 + 55 = 310
310 = a

Solving
310 = 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.
310 + -1a = a + -1a

Combine like terms: a + -1a = 0
310 + -1a = 0

Add '-310' to each side of the equation.
310 + -310 + -1a = 0 + -310

Combine like terms: 310 + -310 = 0
0 + -1a = 0 + -310
-1a = 0 + -310

Combine like terms: 0 + -310 = -310
-1a = -310

Divide each side by '-1'.
a = 310

Simplifying
a = 310