-13-6a=a+6a

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Solution for -13-6a=a+6a equation:


Simplifying
-13 + -6a = a + 6a

Combine like terms: a + 6a = 7a
-13 + -6a = 7a

Solving
-13 + -6a = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-13 + -6a + -7a = 7a + -7a

Combine like terms: -6a + -7a = -13a
-13 + -13a = 7a + -7a

Combine like terms: 7a + -7a = 0
-13 + -13a = 0

Add '13' to each side of the equation.
-13 + 13 + -13a = 0 + 13

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

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

Divide each side by '-13'.
a = -1

Simplifying
a = -1

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