a+57=a+x

Solution for a+57=a+x equation:

Simplifying
a + 57 = a + x

Reorder the terms:
57 + a = a + x

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

Combine like terms: a + -1a = 0
57 + 0 = a + -1a + x
57 = a + -1a + x

Combine like terms: a + -1a = 0
57 = 0 + x
57 = x

Solving
57 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
57 + -1x = x + -1x

Combine like terms: x + -1x = 0
57 + -1x = 0

Add '-57' to each side of the equation.
57 + -57 + -1x = 0 + -57

Combine like terms: 57 + -57 = 0
0 + -1x = 0 + -57
-1x = 0 + -57

Combine like terms: 0 + -57 = -57
-1x = -57

Divide each side by '-1'.
x = 57

Simplifying
x = 57