a-8+6a=20

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Solution for a-8+6a=20 equation:


Simplifying
a + -8 + 6a = 20

Reorder the terms:
-8 + a + 6a = 20

Combine like terms: a + 6a = 7a
-8 + 7a = 20

Solving
-8 + 7a = 20

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 7a = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 7a = 20 + 8
7a = 20 + 8

Combine like terms: 20 + 8 = 28
7a = 28

Divide each side by '7'.
a = 4

Simplifying
a = 4

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