15a-4=13a+8

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Solution for 15a-4=13a+8 equation:


Simplifying
15a + -4 = 13a + 8

Reorder the terms:
-4 + 15a = 13a + 8

Reorder the terms:
-4 + 15a = 8 + 13a

Solving
-4 + 15a = 8 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
-4 + 15a + -13a = 8 + 13a + -13a

Combine like terms: 15a + -13a = 2a
-4 + 2a = 8 + 13a + -13a

Combine like terms: 13a + -13a = 0
-4 + 2a = 8 + 0
-4 + 2a = 8

Add '4' to each side of the equation.
-4 + 4 + 2a = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 2a = 8 + 4
2a = 8 + 4

Combine like terms: 8 + 4 = 12
2a = 12

Divide each side by '2'.
a = 6

Simplifying
a = 6

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