\"\"

\

The equation is \"\".

\

\"\"               (Divide each side by 30)

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\"\"                      (Cancel common terms)

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\"\"                         (Divide: \"\")\"\"

\

Check:

\

The equation is \"\", on substitute \"\".

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\"\"

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\"\"                       (Multiply: \"\") \ \

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\"\"                             (Divide: \"\") \ \

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The solution is true.\"\"

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The solution is \"\".