lol2451
lol2451 lol2451
  • 21-04-2017
  • Mathematics
contestada

which of the following represents a first step in solving the equation (x-7)2=100

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rorii
rorii rorii
  • 21-04-2017
will start to distribute the 2 in (x-7)
so it can be (2x-2*7)=100
(2x-14)=100
2x=100+14
2x=114
x=114/2
x=57 
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