538=a-108

Solution for 538=a-108 equation:

Simplifying
538 = a + -108

Reorder the terms:
538 = -108 + a

Solving
538 = -108 + 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.
538 + -1a = -108 + a + -1a

Combine like terms: a + -1a = 0
538 + -1a = -108 + 0
538 + -1a = -108

Add '-538' to each side of the equation.
538 + -538 + -1a = -108 + -538

Combine like terms: 538 + -538 = 0
0 + -1a = -108 + -538
-1a = -108 + -538

Combine like terms: -108 + -538 = -646
-1a = -646

Divide each side by '-1'.
a = 646

Simplifying
a = 646