12+13a-2b-a=

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Solution for 12+13a-2b-a= equation:


Simplifying
12 + 13a + -2b + -1a = 0

Reorder the terms:
12 + 13a + -1a + -2b = 0

Combine like terms: 13a + -1a = 12a
12 + 12a + -2b = 0

Solving
12 + 12a + -2b = 0

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + 12a + -12 + -2b = 0 + -12

Reorder the terms:
12 + -12 + 12a + -2b = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 12a + -2b = 0 + -12
12a + -2b = 0 + -12

Combine like terms: 0 + -12 = -12
12a + -2b = -12

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

Combine like terms: -2b + 2b = 0
12a + 0 = -12 + 2b
12a = -12 + 2b

Divide each side by '12'.
a = -1 + 0.1666666667b

Simplifying
a = -1 + 0.1666666667b

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