3a-9=2(a+1)+12a+1

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Solution for 3a-9=2(a+1)+12a+1 equation:


Simplifying
3a + -9 = 2(a + 1) + 12a + 1

Reorder the terms:
-9 + 3a = 2(a + 1) + 12a + 1

Reorder the terms:
-9 + 3a = 2(1 + a) + 12a + 1
-9 + 3a = (1 * 2 + a * 2) + 12a + 1
-9 + 3a = (2 + 2a) + 12a + 1

Reorder the terms:
-9 + 3a = 2 + 1 + 2a + 12a

Combine like terms: 2 + 1 = 3
-9 + 3a = 3 + 2a + 12a

Combine like terms: 2a + 12a = 14a
-9 + 3a = 3 + 14a

Solving
-9 + 3a = 3 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
-9 + 3a + -14a = 3 + 14a + -14a

Combine like terms: 3a + -14a = -11a
-9 + -11a = 3 + 14a + -14a

Combine like terms: 14a + -14a = 0
-9 + -11a = 3 + 0
-9 + -11a = 3

Add '9' to each side of the equation.
-9 + 9 + -11a = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -11a = 3 + 9
-11a = 3 + 9

Combine like terms: 3 + 9 = 12
-11a = 12

Divide each side by '-11'.
a = -1.090909091

Simplifying
a = -1.090909091

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