20+4a=20

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Solution for 20+4a=20 equation: 


Simplifying
20 + 4a = 20

Add '-20' to each side of the equation.
20 + -20 + 4a = 20 + -20

Combine like terms: 20 + -20 = 0
0 + 4a = 20 + -20
4a = 20 + -20

Combine like terms: 20 + -20 = 0
4a = 0

Solving
4a = 0

Solving for variable 'a'.

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

Divide each side by '4'.
a = 0

Simplifying
a = 0

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