12+a=1-8a-2a

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Solution for 12+a=1-8a-2a equation:


Simplifying
12 + a = 1 + -8a + -2a

Combine like terms: -8a + -2a = -10a
12 + a = 1 + -10a

Solving
12 + a = 1 + -10a

Solving for variable 'a'.

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

Add '10a' to each side of the equation.
12 + a + 10a = 1 + -10a + 10a

Combine like terms: a + 10a = 11a
12 + 11a = 1 + -10a + 10a

Combine like terms: -10a + 10a = 0
12 + 11a = 1 + 0
12 + 11a = 1

Add '-12' to each side of the equation.
12 + -12 + 11a = 1 + -12

Combine like terms: 12 + -12 = 0
0 + 11a = 1 + -12
11a = 1 + -12

Combine like terms: 1 + -12 = -11
11a = -11

Divide each side by '11'.
a = -1

Simplifying
a = -1

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