2.5x+3.5x+x=90

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Solution for 2.5x+3.5x+x=90 equation: 


Simplifying
2.5x + 3.5x + x = 90

Combine like terms: 2.5x + 3.5x = 6x
6x + x = 90

Combine like terms: 6x + x = 7x
7x = 90

Solving
7x = 90

Solving for variable 'x'.

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

Divide each side by '7'.
x = 12.85714286

Simplifying
x = 12.85714286

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