Two more than 16 times a number is the same as 21 less than the product of -7

Step-by-step explanation:

Let the number be 'n'

       16n + 2 = -7n - 21   {add 7n to both sides}

16n + 2 +7 n = -21         { combine like terms}

16n + 7n + 2 = -21

       23n + 2 = - 21     {subtract 2 form both sides}

             23n = -21 - 2

             23n = -23          {Divide both sides by 23}

       23n/23 = -23/23

                 n = -1

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

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step-by-step explanation: