knoxnatalyah455 knoxnatalyah455
  • 14-08-2020
  • Mathematics
contestada

3x+7=15 I don’t understand this equation

Respuesta :

Zaina190
Zaina190 Zaina190
  • 14-08-2020

Answer:

7.33333333333

Step-by-step explanation:

3x - 7 = 15

3x = 15 + 7

3x = 22 (divide both sides by 3 to get x)

3x/3 = 22/3

x = 7.33333333333

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

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Аноним Аноним
  • 14-08-2020

Answer:

x = 8/3

Step-by-step explanation:

[tex]3x+7=15\\\\\mathrm{Subtract\:}7\mathrm{\:from\:both\:sides}\\\\3x+7-7=15-7\\\\Simplify\\\\3x=8\\\\\mathrm{Divide\:both\:sides\:by\:}3\\\\\frac{3x}{3}=\frac{8}{3}\\\mathrm{Simplify}\\\\x=\frac{8}{3}[/tex]

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