a+12-2a=2a-30-6a+27

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Solution for a+12-2a=2a-30-6a+27 equation:


Simplifying
a + 12 + -2a = 2a + -30 + -6a + 27

Reorder the terms:
12 + a + -2a = 2a + -30 + -6a + 27

Combine like terms: a + -2a = -1a
12 + -1a = 2a + -30 + -6a + 27

Reorder the terms:
12 + -1a = -30 + 27 + 2a + -6a

Combine like terms: -30 + 27 = -3
12 + -1a = -3 + 2a + -6a

Combine like terms: 2a + -6a = -4a
12 + -1a = -3 + -4a

Solving
12 + -1a = -3 + -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 = -3 + -4a + 4a

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

Combine like terms: -4a + 4a = 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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