4a-8=a-12

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Solution for 4a-8=a-12 equation:


Simplifying
4a + -8 = a + -12

Reorder the terms:
-8 + 4a = a + -12

Reorder the terms:
-8 + 4a = -12 + a

Solving
-8 + 4a = -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.
-8 + 4a + -1a = -12 + a + -1a

Combine like terms: 4a + -1a = 3a
-8 + 3a = -12 + a + -1a

Combine like terms: a + -1a = 0
-8 + 3a = -12 + 0
-8 + 3a = -12

Add '8' to each side of the equation.
-8 + 8 + 3a = -12 + 8

Combine like terms: -8 + 8 = 0
0 + 3a = -12 + 8
3a = -12 + 8

Combine like terms: -12 + 8 = -4
3a = -4

Divide each side by '3'.
a = -1.333333333

Simplifying
a = -1.333333333

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