2a-21.8=a+22

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Solution for 2a-21.8=a+22 equation: 


Simplifying
2a + -21.8 = a + 22

Reorder the terms:
-21.8 + 2a = a + 22

Reorder the terms:
-21.8 + 2a = 22 + a

Solving
-21.8 + 2a = 22 + 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.
-21.8 + 2a + -1a = 22 + a + -1a

Combine like terms: 2a + -1a = 1a
-21.8 + 1a = 22 + a + -1a

Combine like terms: a + -1a = 0
-21.8 + 1a = 22 + 0
-21.8 + 1a = 22

Add '21.8' to each side of the equation.
-21.8 + 21.8 + 1a = 22 + 21.8

Combine like terms: -21.8 + 21.8 = 0.0
0.0 + 1a = 22 + 21.8
1a = 22 + 21.8

Combine like terms: 22 + 21.8 = 43.8
1a = 43.8

Divide each side by '1'.
a = 43.8

Simplifying
a = 43.8

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