x+8.7=12.6

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Solution for x+8.7=12.6 equation: 


Simplifying
x + 8.7 = 12.6

Reorder the terms:
8.7 + x = 12.6

Solving
8.7 + x = 12.6

Solving for variable 'x'.

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

Add '-8.7' to each side of the equation.
8.7 + -8.7 + x = 12.6 + -8.7

Combine like terms: 8.7 + -8.7 = 0.0
0.0 + x = 12.6 + -8.7
x = 12.6 + -8.7

Combine like terms: 12.6 + -8.7 = 3.9
x = 3.9

Simplifying
x = 3.9

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