6+7a=20

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Solution for 6+7a=20 equation: 


Simplifying
6 + 7a = 20

Solving
6 + 7a = 20

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 7a = 20 + -6

Combine like terms: 6 + -6 = 0
0 + 7a = 20 + -6
7a = 20 + -6

Combine like terms: 20 + -6 = 14
7a = 14

Divide each side by '7'.
a = 2

Simplifying
a = 2

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