6a-6=a+21-8a

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Solution for 6a-6=a+21-8a equation:


Simplifying
6a + -6 = a + 21 + -8a

Reorder the terms:
-6 + 6a = a + 21 + -8a

Reorder the terms:
-6 + 6a = 21 + a + -8a

Combine like terms: a + -8a = -7a
-6 + 6a = 21 + -7a

Solving
-6 + 6a = 21 + -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.
-6 + 6a + 7a = 21 + -7a + 7a

Combine like terms: 6a + 7a = 13a
-6 + 13a = 21 + -7a + 7a

Combine like terms: -7a + 7a = 0
-6 + 13a = 21 + 0
-6 + 13a = 21

Add '6' to each side of the equation.
-6 + 6 + 13a = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 13a = 21 + 6
13a = 21 + 6

Combine like terms: 21 + 6 = 27
13a = 27

Divide each side by '13'.
a = 2.076923077

Simplifying
a = 2.076923077

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