18-6a=-1a-12

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Solution for 18-6a=-1a-12 equation:


Simplifying
18 + -6a = -1a + -12

Reorder the terms:
18 + -6a = -12 + -1a

Solving
18 + -6a = -12 + -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.
18 + -6a + a = -12 + -1a + a

Combine like terms: -6a + a = -5a
18 + -5a = -12 + -1a + a

Combine like terms: -1a + a = 0
18 + -5a = -12 + 0
18 + -5a = -12

Add '-18' to each side of the equation.
18 + -18 + -5a = -12 + -18

Combine like terms: 18 + -18 = 0
0 + -5a = -12 + -18
-5a = -12 + -18

Combine like terms: -12 + -18 = -30
-5a = -30

Divide each side by '-5'.
a = 6

Simplifying
a = 6

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