.3x+x=90

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Solution for .3x+x=90 equation: 


Simplifying
0.3x + x = 90

Combine like terms: 0.3x + x = 1.3x
1.3x = 90

Solving
1.3x = 90

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 = 69.23076923

Simplifying
x = 69.23076923

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