12a-5=3a+4

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


Simplifying
12a + -5 = 3a + 4

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

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

Solving
-5 + 12a = 4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-5 + 12a + -3a = 4 + 3a + -3a

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

Combine like terms: 3a + -3a = 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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