15x+5x=90

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Solution for 15x+5x=90 equation: 


Simplifying
15x + 5x = 90

Combine like terms: 15x + 5x = 20x
20x = 90

Solving
20x = 90

Solving for variable 'x'.

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

Divide each side by '20'.
x = 4.5

Simplifying
x = 4.5

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