a+12=-1-2a+10

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Solution for a+12=-1-2a+10 equation:


Simplifying
a + 12 = -1 + -2a + 10

Reorder the terms:
12 + a = -1 + -2a + 10

Reorder the terms:
12 + a = -1 + 10 + -2a

Combine like terms: -1 + 10 = 9
12 + a = 9 + -2a

Solving
12 + a = 9 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
12 + a + 2a = 9 + -2a + 2a

Combine like terms: a + 2a = 3a
12 + 3a = 9 + -2a + 2a

Combine like terms: -2a + 2a = 0
12 + 3a = 9 + 0
12 + 3a = 9

Add '-12' to each side of the equation.
12 + -12 + 3a = 9 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 9 + -12
3a = 9 + -12

Combine like terms: 9 + -12 = -3
3a = -3

Divide each side by '3'.
a = -1

Simplifying
a = -1

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