a-(a*.3)=30000

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Solution for a-(a*.3)=30000 equation: 


Simplifying
a + -1(a * 0.3) = 30000

Reorder the terms for easier multiplication:
a + -1(0.3a) = 30000

Remove parenthesis around (0.3a)
a + -1 * 0.3a = 30000

Multiply -1 * 0.3
a + -0.3a = 30000

Combine like terms: a + -0.3a = 0.7a
0.7a = 30000

Solving
0.7a = 30000

Solving for variable 'a'.

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

Divide each side by '0.7'.
a = 42857.14286

Simplifying
a = 42857.14286

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