-1.8+0.4a=0

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Solution for -1.8+0.4a=0 equation: 


Simplifying
-1.8 + 0.4a = 0

Solving
-1.8 + 0.4a = 0

Solving for variable 'a'.

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

Add '1.8' to each side of the equation.
-1.8 + 1.8 + 0.4a = 0 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + 0.4a = 0 + 1.8
0.4a = 0 + 1.8

Combine like terms: 0 + 1.8 = 1.8
0.4a = 1.8

Divide each side by '0.4'.
a = 4.5

Simplifying
a = 4.5

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