20a-2=18

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Solution for 20a-2=18 equation: 


Simplifying
20a + -2 = 18

Reorder the terms:
-2 + 20a = 18

Solving
-2 + 20a = 18

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 20a = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 20a = 18 + 2
20a = 18 + 2

Combine like terms: 18 + 2 = 20
20a = 20

Divide each side by '20'.
a = 1

Simplifying
a = 1

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