smithka2028
smithka2028 smithka2028
  • 13-12-2021
  • Mathematics
contestada

this is 6th grade work there will be more questions on this but i needed help on this

this is 6th grade work there will be more questions on this but i needed help on this class=

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zedwards26
zedwards26 zedwards26
  • 13-12-2021

Answer:

Step-by-step explanation:

X + (X + 4) + (X - 7) = 54

3X - 3 = 54

3X - 3 + 3 = 54 + 3

3X = 57

3X / 3 = 57 / 3

X = 19

Y = (19 + 4) = 23

Z = (19 - 7) = 12

Sam's age = 19

Dana's age = 23

Alex's age = 12

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cooksilas7
cooksilas7 cooksilas7
  • 13-12-2021
His awnswers true so ummmmmmmmm yeah
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