20-3a=

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Solution for 20-3a= equation:


Simplifying
20 + -3a = 0

Solving
20 + -3a = 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 + -3a = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -3a = 0 + -20
-3a = 0 + -20

Combine like terms: 0 + -20 = -20
-3a = -20

Divide each side by '-3'.
a = 6.666666667

Simplifying
a = 6.666666667

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