Respuesta :

sanyamjain99

Answer:

3x-6=15

3x=15+6

3x=21

x=21/3

x=7

Step-by-step explanation:

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renknee

Answer:

x = 7

Step-by-step explanation:

Step 1: Add 6 to both sides.

  • [tex]3x - 6 + 6 = 15 + 6[/tex]
  • [tex]3x = 21[/tex]

Step 2: Divide both sides by 3.

  • [tex]\frac{3x}{3} = \frac{21}{3}[/tex]
  • [tex]x = 7[/tex]

Step 3: Plug in the value to see if it's correct.

  • [tex]3(7) - 6 = 15[/tex]
  • [tex]21 - 6 = 15[/tex]
  • [tex]15 = 15[/tex]

Therefore, x = 7.

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