Seudónimo Seudónimo
  • 13-10-2019
  • Mathematics
contestada

e) 3 - 2x = 15
what is x​

Respuesta :

gcantiga44
gcantiga44 gcantiga44
  • 13-10-2019

3 - 2x = 15

-2x = 15 - 3

-2x = 12

x = 12 ÷ 2

x = 6

Answer Link
PiaDeveau PiaDeveau
  • 13-10-2019

Answer:

x = -6

Step-by-step explanation:

We have to find the value of x in given equation [tex]3 -2x = 15[/tex]

Step 1 : We have to eliminate 3 from LHS

We proceed this by subtracting 3 from both the sides to balance the equation

[tex]3 - 2x = 15\\3 - 3 -2x = 15 - 3\\-2x = 12[/tex]

Step 2: Now, we have to eliminate -2 from LHS

We proceed this by dividing both sides by -2

[tex]-2x = 12\\\frac{-2x}{-2} = \frac{12}{-2} \\x = -6[/tex]

Therefore we have x =-6

Answer Link

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