8.39+9=70.3921+3x

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Solution for 8.39+9=70.3921+3x equation: 


Simplifying
8.39 + 9 = 70.3921 + 3x

Combine like terms: 8.39 + 9 = 17.39
17.39 = 70.3921 + 3x

Solving
17.39 = 70.3921 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
17.39 + -3x = 70.3921 + 3x + -3x

Combine like terms: 3x + -3x = 0
17.39 + -3x = 70.3921 + 0
17.39 + -3x = 70.3921

Add '-17.39' to each side of the equation.
17.39 + -17.39 + -3x = 70.3921 + -17.39

Combine like terms: 17.39 + -17.39 = 0.00
0.00 + -3x = 70.3921 + -17.39
-3x = 70.3921 + -17.39

Combine like terms: 70.3921 + -17.39 = 53.0021
-3x = 53.0021

Divide each side by '-3'.
x = -17.66736667

Simplifying
x = -17.66736667

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