loren2007 loren2007

22-11-2019
Mathematics

contestada

tracy used mental math to find 7×38 as shown below. what is x? 7×38 = 7(40-2) = 7(x)- 7(2)

Respuesta :

cadeywillams cadeywillams

22-11-2019

Answer:

x=40

Step-by-step explanation:

subtract first then multiply

7*38=7x-14

move terms 266=7x-14

calculate-7x=-14-266

divide both sides by -7 (-7x=-280)

solution x=40

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