DezzyBaby DezzyBaby
  • 02-10-2015
  • Mathematics
contestada

2x + 7 = x + 3 what is X ?

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bookwormz
bookwormz bookwormz
  • 02-10-2015
x = -4 

2x+7 = x+3
 - x       -x
_________
1x+7 = 3
     -7   -7
_________
      x = -4



Answer Link
Exvited
Exvited Exvited
  • 03-10-2015
2x + 7 = x + 3

First, subtract x from both sides. / Your problem should look like: [tex]2x + 7 - x = 3[/tex]
Second, simplify 2x + 7 - x to x + 7. / Your problem should look like: [tex]x + 7 = 3[/tex]
Third, subtract 7 from both sides. / Your problem should look like: [tex]x = 3 - 7[/tex]
Fourth, subtract 3 - 7 to get -4. / Your problem should look like: [tex]x = -4[/tex]

Answer: x = -4

Answer Link

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