3a-5=12a+4

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Solution for 3a-5=12a+4 equation:


Simplifying
3a + -5 = 12a + 4

Reorder the terms:
-5 + 3a = 12a + 4

Reorder the terms:
-5 + 3a = 4 + 12a

Solving
-5 + 3a = 4 + 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.
-5 + 3a + -12a = 4 + 12a + -12a

Combine like terms: 3a + -12a = -9a
-5 + -9a = 4 + 12a + -12a

Combine like terms: 12a + -12a = 0
-5 + -9a = 4 + 0
-5 + -9a = 4

Add '5' to each side of the equation.
-5 + 5 + -9a = 4 + 5

Combine like terms: -5 + 5 = 0
0 + -9a = 4 + 5
-9a = 4 + 5

Combine like terms: 4 + 5 = 9
-9a = 9

Divide each side by '-9'.
a = -1

Simplifying
a = -1

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