3a-5=20

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Solution for 3a-5=20 equation: 


Simplifying
3a + -5 = 20

Reorder the terms:
-5 + 3a = 20

Solving
-5 + 3a = 20

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 3a = 20 + 5

Combine like terms: -5 + 5 = 0
0 + 3a = 20 + 5
3a = 20 + 5

Combine like terms: 20 + 5 = 25
3a = 25

Divide each side by '3'.
a = 8.333333333

Simplifying
a = 8.333333333

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