ariel40904 ariel40904
  • 03-09-2018
  • Mathematics
contestada

-20 ? I’m a little confused on the “2x” part

20 Im a little confused on the 2x part class=

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tramserran
tramserran tramserran
  • 03-09-2018

whatever you do to one side, you must do to the other side to keep the equation balanced.

in order to isolate the variable (x), you need to divide by 2.  Since you are dividing the right side by 2, then you must divide the left side by 2.

-10÷2  = 2÷2x

-5  = 1x

-5 = x

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