12a-13=2a-8

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Solution for 12a-13=2a-8 equation:


Simplifying
12a + -13 = 2a + -8

Reorder the terms:
-13 + 12a = 2a + -8

Reorder the terms:
-13 + 12a = -8 + 2a

Solving
-13 + 12a = -8 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-13 + 12a + -2a = -8 + 2a + -2a

Combine like terms: 12a + -2a = 10a
-13 + 10a = -8 + 2a + -2a

Combine like terms: 2a + -2a = 0
-13 + 10a = -8 + 0
-13 + 10a = -8

Add '13' to each side of the equation.
-13 + 13 + 10a = -8 + 13

Combine like terms: -13 + 13 = 0
0 + 10a = -8 + 13
10a = -8 + 13

Combine like terms: -8 + 13 = 5
10a = 5

Divide each side by '10'.
a = 0.5

Simplifying
a = 0.5

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