15xX+21xX=300

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Solution for 15xX+21xX=300 equation: 


Simplifying
15xX + 21xX = 300

Combine like terms: 15xX + 21xX = 36xX
36xX = 300

Solving
36xX = 300

Solving for variable 'x'.

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

Divide each side by '36X'.
x = 8.333333333X-1

Simplifying
x = 8.333333333X-1

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