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angle c and angle d are supplementery angles without using a protracter determine the mesure of each angle... angle c is 24 - 5y angle d is -7y

find mesure of each angle with no protracter
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supplementary (note correct spelling) angles add up to 180 degrees.
other spelling fixes:  measure   protractor
Well, anyway, 24-5y + (-7y) = 180.  Solve for y.  Then substitute back into the two expressions to find how many degrees in each angle.