15-2a=6a-13

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Solution for 15-2a=6a-13 equation:


Simplifying
15 + -2a = 6a + -13

Reorder the terms:
15 + -2a = -13 + 6a

Solving
15 + -2a = -13 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
15 + -2a + -6a = -13 + 6a + -6a

Combine like terms: -2a + -6a = -8a
15 + -8a = -13 + 6a + -6a

Combine like terms: 6a + -6a = 0
15 + -8a = -13 + 0
15 + -8a = -13

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

Combine like terms: 15 + -15 = 0
0 + -8a = -13 + -15
-8a = -13 + -15

Combine like terms: -13 + -15 = -28
-8a = -28

Divide each side by '-8'.
a = 3.5

Simplifying
a = 3.5

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