-12-8a=-1+(4-5a)

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Solution for -12-8a=-1+(4-5a) equation:


Simplifying
-12 + -8a = -1 + (4 + -5a)

Remove parenthesis around (4 + -5a)
-12 + -8a = -1 + 4 + -5a

Combine like terms: -1 + 4 = 3
-12 + -8a = 3 + -5a

Solving
-12 + -8a = 3 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
-12 + -8a + 5a = 3 + -5a + 5a

Combine like terms: -8a + 5a = -3a
-12 + -3a = 3 + -5a + 5a

Combine like terms: -5a + 5a = 0
-12 + -3a = 3 + 0
-12 + -3a = 3

Add '12' to each side of the equation.
-12 + 12 + -3a = 3 + 12

Combine like terms: -12 + 12 = 0
0 + -3a = 3 + 12
-3a = 3 + 12

Combine like terms: 3 + 12 = 15
-3a = 15

Divide each side by '-3'.
a = -5

Simplifying
a = -5

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