x-(x*0.3)-(x*0.3)=200

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Solution for x-(x*0.3)-(x*0.3)=200 equation: 


Simplifying
x + -1(x * 0.3) + -1(x * 0.3) = 200

Reorder the terms for easier multiplication:
x + -1(0.3x) + -1(x * 0.3) = 200

Remove parenthesis around (0.3x)
x + -1 * 0.3x + -1(x * 0.3) = 200

Multiply -1 * 0.3
x + -0.3x + -1(x * 0.3) = 200

Reorder the terms for easier multiplication:
x + -0.3x + -1(0.3x) = 200

Remove parenthesis around (0.3x)
x + -0.3x + -1 * 0.3x = 200

Multiply -1 * 0.3
x + -0.3x + -0.3x = 200

Combine like terms: x + -0.3x = 0.7x
0.7x + -0.3x = 200

Combine like terms: 0.7x + -0.3x = 0.4x
0.4x = 200

Solving
0.4x = 200

Solving for variable 'x'.

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

Divide each side by '0.4'.
x = 500

Simplifying
x = 500

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