E=(x+1)+(x-1)

Solution for E=(x+1)+(x-1) equation:

Simplifying
E = (x + 1) + (x + -1)

Reorder the terms:
E = (1 + x) + (x + -1)

Remove parenthesis around (1 + x)
E = 1 + x + (x + -1)

Reorder the terms:
E = 1 + x + (-1 + x)

Remove parenthesis around (-1 + x)
E = 1 + x + -1 + x

Reorder the terms:
E = 1 + -1 + x + x

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

Combine like terms: x + x = 2x
E = 2x

Solving
E = 2x

Solving for variable 'E'.

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

Simplifying
E = 2x