6a-13=9a-15

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Solution for 6a-13=9a-15 equation:


Simplifying
6a + -13 = 9a + -15

Reorder the terms:
-13 + 6a = 9a + -15

Reorder the terms:
-13 + 6a = -15 + 9a

Solving
-13 + 6a = -15 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-13 + 6a + -9a = -15 + 9a + -9a

Combine like terms: 6a + -9a = -3a
-13 + -3a = -15 + 9a + -9a

Combine like terms: 9a + -9a = 0
-13 + -3a = -15 + 0
-13 + -3a = -15

Add '13' to each side of the equation.
-13 + 13 + -3a = -15 + 13

Combine like terms: -13 + 13 = 0
0 + -3a = -15 + 13
-3a = -15 + 13

Combine like terms: -15 + 13 = -2
-3a = -2

Divide each side by '-3'.
a = 0.6666666667

Simplifying
a = 0.6666666667

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