a-12=4a-12

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Solution for a-12=4a-12 equation:


Simplifying
a + -12 = 4a + -12

Reorder the terms:
-12 + a = 4a + -12

Reorder the terms:
-12 + a = -12 + 4a

Add '12' to each side of the equation.
-12 + 12 + a = -12 + 12 + 4a

Combine like terms: -12 + 12 = 0
0 + a = -12 + 12 + 4a
a = -12 + 12 + 4a

Combine like terms: -12 + 12 = 0
a = 0 + 4a
a = 4a

Solving
a = 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.
a + -4a = 4a + -4a

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

Combine like terms: 4a + -4a = 0
-3a = 0

Divide each side by '-3'.
a = 0

Simplifying
a = 0

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