12.4=15-x

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Solution for 12.4=15-x equation:


Simplifying
12.4 = 15 + -1x

Solving
12.4 = 15 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
12.4 + x = 15 + -1x + x

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

Add '-12.4' to each side of the equation.
12.4 + -12.4 + x = 15 + -12.4

Combine like terms: 12.4 + -12.4 = 0.0
0.0 + x = 15 + -12.4
x = 15 + -12.4

Combine like terms: 15 + -12.4 = 2.6
x = 2.6

Simplifying
x = 2.6

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