x-8.7=3.4

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Solution for x-8.7=3.4 equation: 


Simplifying
x + -8.7 = 3.4

Reorder the terms:
-8.7 + x = 3.4

Solving
-8.7 + x = 3.4

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 = 3.4 + 8.7

Combine like terms: -8.7 + 8.7 = 0.0
0.0 + x = 3.4 + 8.7
x = 3.4 + 8.7

Combine like terms: 3.4 + 8.7 = 12.1
x = 12.1

Simplifying
x = 12.1

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