12a-13=259+4a

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Solution for 12a-13=259+4a equation:


Simplifying
12a + -13 = 259 + 4a

Reorder the terms:
-13 + 12a = 259 + 4a

Solving
-13 + 12a = 259 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-13 + 12a + -4a = 259 + 4a + -4a

Combine like terms: 12a + -4a = 8a
-13 + 8a = 259 + 4a + -4a

Combine like terms: 4a + -4a = 0
-13 + 8a = 259 + 0
-13 + 8a = 259

Add '13' to each side of the equation.
-13 + 13 + 8a = 259 + 13

Combine like terms: -13 + 13 = 0
0 + 8a = 259 + 13
8a = 259 + 13

Combine like terms: 259 + 13 = 272
8a = 272

Divide each side by '8'.
a = 34

Simplifying
a = 34

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