-4=-a+8

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Solution for -4=-a+8 equation:


Simplifying
-4 = -1a + 8

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

Solving
-4 = 8 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-4 + a = 8 + -1a + a

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

Add '4' to each side of the equation.
-4 + 4 + a = 8 + 4

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

Combine like terms: 8 + 4 = 12
a = 12

Simplifying
a = 12

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