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

Answer Link

Otras preguntas

homophones for the words insignificant and small.  has to be 5 letters
Doing monomials. How do you do this one?
the kind of lake that formed when a river meanders
A golf ball is dropped from rest from a height of 9.5m.  It hits the pavement then bounces back up rising  just 5.7 m before falling back down again.  A boy the
Which choices are in the solution set of the inequality below? Check all that apply. 20x>70 A: 6.5 B: 3 C: 3.5 D: 1 E: 5 F: 4
If (-3, y) lies on the graph of y = (1/2)x, then y =
Need help solving this proportion....x\4 = 5\7
Need help solving this proportion....x\4 = 5\7
homophones for the words insignificant and small.  has to be 5 letters
If a yield sign is a regular polygon what is the measure of each angle