8.1=x+5.1

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Solution for 8.1=x+5.1 equation:


Simplifying
8.1 = x + 5.1

Reorder the terms:
8.1 = 5.1 + x

Solving
8.1 = 5.1 + 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.
8.1 + -1x = 5.1 + x + -1x

Combine like terms: x + -1x = 0
8.1 + -1x = 5.1 + 0
8.1 + -1x = 5.1

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -1x = 5.1 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -1x = 5.1 + -8.1
-1x = 5.1 + -8.1

Combine like terms: 5.1 + -8.1 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3

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