kkkkkkennnmmethhh kkkkkkennnmmethhh
  • 11-09-2020
  • Mathematics
contestada

Solye for x
7(x + 1) = 21

Respuesta :

jimrgrant1 jimrgrant1
  • 11-09-2020

Answer:

x = 2

Step-by-step explanation:

Given

7(x + 1) = 21 ( divide both sides by 7 )

x + 1 = 3 ( subtract 1 from both sides )

x = 2

Answer Link
Sheila35
Sheila35 Sheila35
  • 11-09-2020

Answer:

x=2

Step-by-step explanation:

7×(x +1)=21

7x +7 =21

7x =21 - 7

7x =14

x=14 :7

x=2

7 ×(2 +1)=21

7 ×3 =21

21 =21

Answer Link

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