maureenthompsop3eoxr
maureenthompsop3eoxr maureenthompsop3eoxr
  • 26-02-2018
  • Mathematics
contestada

if 2x+5= 12 for some value of x, then what does 6x+20 equal???

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cocoapop
cocoapop cocoapop
  • 26-02-2018
1. Solve for x in 2x + 5 = 12
2x + 5 = 12       Subtract 5 from both sides.
2x = 7               Divide 2 from both sides.
x = 3.5

2. Substitute 3.5 in for x in 6x + 20
6(3.5) + 20
21 + 20
41

Your answer is 41.


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mandapanda626
mandapanda626 mandapanda626
  • 26-02-2018
Here is the answer to the question
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