Respuesta :

You need to add -9x+7x which is -2x and 13-5 is 8 so the answer is 6 because 8-2=6 or -2+8=6 :) hope this helped
okjolie
Collect the like terms (7x - 9x) and (13-5) which equals -2x + 8

So the answer is -2x + 8

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