15=x-0.13x

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Solution for 15=x-0.13x equation:


Simplifying
15 = x + -0.13x

Combine like terms: x + -0.13x = 0.87x
15 = 0.87x

Solving
15 = 0.87x

Solving for variable 'x'.

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

Add '-0.87x' to each side of the equation.
15 + -0.87x = 0.87x + -0.87x

Combine like terms: 0.87x + -0.87x = 0.00
15 + -0.87x = 0.00

Add '-15' to each side of the equation.
15 + -15 + -0.87x = 0.00 + -15

Combine like terms: 15 + -15 = 0
0 + -0.87x = 0.00 + -15
-0.87x = 0.00 + -15

Combine like terms: 0.00 + -15 = -15
-0.87x = -15

Divide each side by '-0.87'.
x = 17.24137931

Simplifying
x = 17.24137931

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