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OpenStudy (anonymous):
If m - n = 32 and 3m - 8n - 6 = 0, then 4m - 9n =
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OpenStudy (loinducoeur):
Since the values of m and n must be the same in both equations, that means you have to use simultaneous equations to get the values of m and n. Do you know how to do simultaneous equations? After that, you can calculate what 4m - 9n is equal to.
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