3a-4=6a-12

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Solution for 3a-4=6a-12 equation:


Simplifying
3a + -4 = 6a + -12

Reorder the terms:
-4 + 3a = 6a + -12

Reorder the terms:
-4 + 3a = -12 + 6a

Solving
-4 + 3a = -12 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-4 + 3a + -6a = -12 + 6a + -6a

Combine like terms: 3a + -6a = -3a
-4 + -3a = -12 + 6a + -6a

Combine like terms: 6a + -6a = 0
-4 + -3a = -12 + 0
-4 + -3a = -12

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

Combine like terms: -4 + 4 = 0
0 + -3a = -12 + 4
-3a = -12 + 4

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

Divide each side by '-3'.
a = 2.666666667

Simplifying
a = 2.666666667

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