stellastar446 stellastar446

05-09-2017
Mathematics

contestada

If 5x-7=13x+17, what is 6(x-4)?
Plz help asap
Thanks

Respuesta :

Аноним Аноним

05-09-2017

find x
5x-7=13x+17
minus 5x
-7=8x+17
minus 17
-24=8x
divide 8
-3=x

subsitute

6(x-4)
6(-3-4)
6(-7)
-42

6(x-4) is -42

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