13a-12=8a+18

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Solution for 13a-12=8a+18 equation:


Simplifying
13a + -12 = 8a + 18

Reorder the terms:
-12 + 13a = 8a + 18

Reorder the terms:
-12 + 13a = 18 + 8a

Solving
-12 + 13a = 18 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-12 + 13a + -8a = 18 + 8a + -8a

Combine like terms: 13a + -8a = 5a
-12 + 5a = 18 + 8a + -8a

Combine like terms: 8a + -8a = 0
-12 + 5a = 18 + 0
-12 + 5a = 18

Add '12' to each side of the equation.
-12 + 12 + 5a = 18 + 12

Combine like terms: -12 + 12 = 0
0 + 5a = 18 + 12
5a = 18 + 12

Combine like terms: 18 + 12 = 30
5a = 30

Divide each side by '5'.
a = 6

Simplifying
a = 6

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