2-a=a-1.8

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Solution for 2-a=a-1.8 equation: 


Simplifying
2 + -1a = a + -1.8

Reorder the terms:
2 + -1a = -1.8 + a

Solving
2 + -1a = -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.
2 + -1a + -1a = -1.8 + a + -1a

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

Combine like terms: a + -1a = 0
2 + -2a = -1.8 + 0
2 + -2a = -1.8

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

Combine like terms: 2 + -2 = 0
0 + -2a = -1.8 + -2
-2a = -1.8 + -2

Combine like terms: -1.8 + -2 = -3.8
-2a = -3.8

Divide each side by '-2'.
a = 1.9

Simplifying
a = 1.9

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