=a-0.3a

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Solution for =a-0.3a equation: 


Simplifying
0 = a + -0.3a

Combine like terms: a + -0.3a = 0.7a
0 = 0.7a

Solving
0 = 0.7a

Solving for variable 'a'.

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

Add '-0.7a' to each side of the equation.
0 + -0.7a = 0.7a + -0.7a
Remove the zero:
-0.7a = 0.7a + -0.7a

Combine like terms: 0.7a + -0.7a = 0.0
-0.7a = 0.0

Divide each side by '-0.7'.
a = 0

Simplifying
a = 0

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