(0.3x)+x=280

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Solution for (0.3x)+x=280 equation: 


Simplifying
(0.3x) + x = 280

Combine like terms: (0.3x) + x = 1.3x
1.3x = 280

Solving
1.3x = 280

Solving for variable 'x'.

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

Divide each side by '1.3'.
x = 215.3846154

Simplifying
x = 215.3846154

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