X+15=8.4

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Solution for X+15=8.4 equation: 


Simplifying
X + 15 = 8.4

Reorder the terms:
15 + X = 8.4

Solving
15 + X = 8.4

Solving for variable 'X'.

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

Add '-15' to each side of the equation.
15 + -15 + X = 8.4 + -15

Combine like terms: 15 + -15 = 0
0 + X = 8.4 + -15
X = 8.4 + -15

Combine like terms: 8.4 + -15 = -6.6
X = -6.6

Simplifying
X = -6.6

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