-(a+4)+(8-a)=

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Solution for -(a+4)+(8-a)= equation:


Simplifying
-1(a + 4) + (8 + -1a) = 0

Reorder the terms:
-1(4 + a) + (8 + -1a) = 0
(4 * -1 + a * -1) + (8 + -1a) = 0
(-4 + -1a) + (8 + -1a) = 0

Remove parenthesis around (8 + -1a)
-4 + -1a + 8 + -1a = 0

Reorder the terms:
-4 + 8 + -1a + -1a = 0

Combine like terms: -4 + 8 = 4
4 + -1a + -1a = 0

Combine like terms: -1a + -1a = -2a
4 + -2a = 0

Solving
4 + -2a = 0

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -2a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -2a = 0 + -4
-2a = 0 + -4

Combine like terms: 0 + -4 = -4
-2a = -4

Divide each side by '-2'.
a = 2

Simplifying
a = 2

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