treysilly
treysilly treysilly
  • 25-10-2019
  • Mathematics
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2 - 3d = 4d - 19

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kkeaysgant kkeaysgant
  • 26-10-2019

2 - 3d = 4d - 19

Add the opposite to both sides to get the variable on the left side only.

2 - 3d = 4d - 19

   -4d    -4d

2 - 7d = - 19

Then get the terms w/o variables on the right,

2 - 7d = - 19

-2            -2

-7d = -21

Then divide by the number paired with the variable.

--7d = -21

-----    -----   ;   d = 3

-7       -7

Final answer = 3

Hope I helped :)

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