4a+4=20+b

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Solution for 4a+4=20+b equation: 


Simplifying
4a + 4 = 20 + b

Reorder the terms:
4 + 4a = 20 + b

Solving
4 + 4a = 20 + b

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 + b

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

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

Divide each side by '4'.
a = 4 + 0.25b

Simplifying
a = 4 + 0.25b

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