Answer: x = 35
Explanation:
$ 17x - 24x + 13x = 210
$ -7x + 13x = 210
$ 6x = 210
$ 6x/6 = 210/6
$ x = 35
Check to make sure by replacing x with 35
17(35) - 24(35) + 13(35) = 210
595 - 840 + 455
-245 + 455
= 210
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