x+15-x=3.5x-x

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Solution for x+15-x=3.5x-x equation:


Simplifying
x + 15 + -1x = 3.5x + -1x

Reorder the terms:
15 + x + -1x = 3.5x + -1x

Combine like terms: x + -1x = 0
15 + 0 = 3.5x + -1x
15 = 3.5x + -1x

Combine like terms: 3.5x + -1x = 2.5x
15 = 2.5x

Solving
15 = 2.5x

Solving for variable 'x'.

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

Add '-2.5x' to each side of the equation.
15 + -2.5x = 2.5x + -2.5x

Combine like terms: 2.5x + -2.5x = 0.0
15 + -2.5x = 0.0

Add '-15' to each side of the equation.
15 + -15 + -2.5x = 0.0 + -15

Combine like terms: 15 + -15 = 0
0 + -2.5x = 0.0 + -15
-2.5x = 0.0 + -15

Combine like terms: 0.0 + -15 = -15
-2.5x = -15

Divide each side by '-2.5'.
x = 6

Simplifying
x = 6

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