4a-20=0

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Solution for 4a-20=0 equation: 


Simplifying
4a + -20 = 0

Reorder the terms:
-20 + 4a = 0

Solving
-20 + 4a = 0

Solving for variable 'a'.

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

Add '20' to each side of the equation.
-20 + 20 + 4a = 0 + 20

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

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

Divide each side by '4'.
a = 5

Simplifying
a = 5

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