3a-4=12a+12

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Solution for 3a-4=12a+12 equation:


Simplifying
3a + -4 = 12a + 12

Reorder the terms:
-4 + 3a = 12a + 12

Reorder the terms:
-4 + 3a = 12 + 12a

Solving
-4 + 3a = 12 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-4 + 3a + -12a = 12 + 12a + -12a

Combine like terms: 3a + -12a = -9a
-4 + -9a = 12 + 12a + -12a

Combine like terms: 12a + -12a = 0
-4 + -9a = 12 + 0
-4 + -9a = 12

Add '4' to each side of the equation.
-4 + 4 + -9a = 12 + 4

Combine like terms: -4 + 4 = 0
0 + -9a = 12 + 4
-9a = 12 + 4

Combine like terms: 12 + 4 = 16
-9a = 16

Divide each side by '-9'.
a = -1.777777778

Simplifying
a = -1.777777778

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