x-84=x-0.3x

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Solution for x-84=x-0.3x equation:


Simplifying
x + -84 = x + -0.3x

Reorder the terms:
-84 + x = x + -0.3x

Combine like terms: x + -0.3x = 0.7x
-84 + x = 0.7x

Solving
-84 + x = 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
-84 + x + -0.7x = 0.7x + -0.7x

Combine like terms: x + -0.7x = 0.3x
-84 + 0.3x = 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
-84 + 0.3x = 0.0

Add '84' to each side of the equation.
-84 + 84 + 0.3x = 0.0 + 84

Combine like terms: -84 + 84 = 0
0 + 0.3x = 0.0 + 84
0.3x = 0.0 + 84

Combine like terms: 0.0 + 84 = 84
0.3x = 84

Divide each side by '0.3'.
x = 280

Simplifying
x = 280

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