12.8=x-3.5

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Solution for 12.8=x-3.5 equation:


Simplifying
12.8 = x + -3.5

Reorder the terms:
12.8 = -3.5 + x

Solving
12.8 = -3.5 + 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.
12.8 + -1x = -3.5 + x + -1x

Combine like terms: x + -1x = 0
12.8 + -1x = -3.5 + 0
12.8 + -1x = -3.5

Add '-12.8' to each side of the equation.
12.8 + -12.8 + -1x = -3.5 + -12.8

Combine like terms: 12.8 + -12.8 = 0.0
0.0 + -1x = -3.5 + -12.8
-1x = -3.5 + -12.8

Combine like terms: -3.5 + -12.8 = -16.3
-1x = -16.3

Divide each side by '-1'.
x = 16.3

Simplifying
x = 16.3

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