12a-1=2a-15

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Solution for 12a-1=2a-15 equation:


Simplifying
12a + -1 = 2a + -15

Reorder the terms:
-1 + 12a = 2a + -15

Reorder the terms:
-1 + 12a = -15 + 2a

Solving
-1 + 12a = -15 + 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.
-1 + 12a + -2a = -15 + 2a + -2a

Combine like terms: 12a + -2a = 10a
-1 + 10a = -15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-1 + 10a = -15 + 0
-1 + 10a = -15

Add '1' to each side of the equation.
-1 + 1 + 10a = -15 + 1

Combine like terms: -1 + 1 = 0
0 + 10a = -15 + 1
10a = -15 + 1

Combine like terms: -15 + 1 = -14
10a = -14

Divide each side by '10'.
a = -1.4

Simplifying
a = -1.4

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