anita21
anita21 anita21
  • 25-01-2017
  • Mathematics
contestada

the sum of twice a number and 37 is 129.what is the number? show in algebra form.

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PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 25-01-2017
2n + 37 = 129
2n= 129-37
2n=92
n=[tex] \frac{92}{2} [/tex]
  = 46
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 25-01-2017
sum means add
twice a number is 2x

sum of twice a number and 37 is 129 means
2x+37=129
minus 37 both sides
2x=92
divide both sides by 2
x=46


the numbers i s46
Answer Link

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