4+4a=20

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Solution for 4+4a=20 equation: 


Simplifying
4 + 4a = 20

Solving
4 + 4a = 20

Solving for variable 'a'.

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

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

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

Combine like terms: 20 + -4 = 16
4a = 16

Divide each side by '4'.
a = 4

Simplifying
a = 4

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