-12-a=4a+5

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Solution for -12-a=4a+5 equation:


Simplifying
-12 + -1a = 4a + 5

Reorder the terms:
-12 + -1a = 5 + 4a

Solving
-12 + -1a = 5 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-12 + -1a + -4a = 5 + 4a + -4a

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

Combine like terms: 4a + -4a = 0
-12 + -5a = 5 + 0
-12 + -5a = 5

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

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

Combine like terms: 5 + 12 = 17
-5a = 17

Divide each side by '-5'.
a = -3.4

Simplifying
a = -3.4

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