2a-20.2=a+1.8

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Solution for 2a-20.2=a+1.8 equation:


Simplifying
2a + -20.2 = a + 1.8

Reorder the terms:
-20.2 + 2a = a + 1.8

Reorder the terms:
-20.2 + 2a = 1.8 + a

Solving
-20.2 + 2a = 1.8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-20.2 + 2a + -1a = 1.8 + a + -1a

Combine like terms: 2a + -1a = 1a
-20.2 + 1a = 1.8 + a + -1a

Combine like terms: a + -1a = 0
-20.2 + 1a = 1.8 + 0
-20.2 + 1a = 1.8

Add '20.2' to each side of the equation.
-20.2 + 20.2 + 1a = 1.8 + 20.2

Combine like terms: -20.2 + 20.2 = 0.0
0.0 + 1a = 1.8 + 20.2
1a = 1.8 + 20.2

Combine like terms: 1.8 + 20.2 = 22
1a = 22

Divide each side by '1'.
a = 22

Simplifying
a = 22

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