7x+13x+12x=90

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Solution for 7x+13x+12x=90 equation: 


Simplifying
7x + 13x + 12x = 90

Combine like terms: 7x + 13x = 20x
20x + 12x = 90

Combine like terms: 20x + 12x = 32x
32x = 90

Solving
32x = 90

Solving for variable 'x'.

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

Divide each side by '32'.
x = 2.8125

Simplifying
x = 2.8125

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