3a-36=a-12

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Solution for 3a-36=a-12 equation:


Simplifying
3a + -36 = a + -12

Reorder the terms:
-36 + 3a = a + -12

Reorder the terms:
-36 + 3a = -12 + a

Solving
-36 + 3a = -12 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-36 + 3a + -1a = -12 + a + -1a

Combine like terms: 3a + -1a = 2a
-36 + 2a = -12 + a + -1a

Combine like terms: a + -1a = 0
-36 + 2a = -12 + 0
-36 + 2a = -12

Add '36' to each side of the equation.
-36 + 36 + 2a = -12 + 36

Combine like terms: -36 + 36 = 0
0 + 2a = -12 + 36
2a = -12 + 36

Combine like terms: -12 + 36 = 24
2a = 24

Divide each side by '2'.
a = 12

Simplifying
a = 12

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