hayyeet
02.10.2019 •
Mathematics
Three less than triple a number is the same as the number plus 57. what is the number?
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Ответ:
3x-3 = 57+x
3x-x = 57+3
2x=60
x= 30
prove this by substituting the x
30*3 -3 =57+30
87=87
there you have it :)
Ответ:
looking at these, get none
Step-by-step explanation: