4-a=-(a-4)

Solution for 4-a=-(a-4) equation:

Simplifying
4 + -1a = -1(a + -4)

Reorder the terms:
4 + -1a = -1(-4 + a)
4 + -1a = (-4 * -1 + a * -1)
4 + -1a = (4 + -1a)

Add '-4' to each side of the equation.
4 + -4 + -1a = 4 + -4 + -1a

Combine like terms: 4 + -4 = 0
0 + -1a = 4 + -4 + -1a
-1a = 4 + -4 + -1a

Combine like terms: 4 + -4 = 0
-1a = 0 + -1a
-1a = -1a

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.