15-2.5=x

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Solution for 15-2.5=x equation:


Simplifying
15 + -2.5 = x

Combine like terms: 15 + -2.5 = 12.5
12.5 = x

Solving
12.5 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
12.5 + -1x = x + -1x

Combine like terms: x + -1x = 0
12.5 + -1x = 0

Add '-12.5' to each side of the equation.
12.5 + -12.5 + -1x = 0 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -1x = 0 + -12.5
-1x = 0 + -12.5

Combine like terms: 0 + -12.5 = -12.5
-1x = -12.5

Divide each side by '-1'.
x = 12.5

Simplifying
x = 12.5

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