lvyrose lvyrose
  • 26-03-2017
  • Mathematics
contestada

The sum of 7 times a number and -3 is multiplied by 2. This result is 114 greater than the opposite of the number. Find the number.

Respuesta :

irspow
irspow irspow
  • 26-03-2017
2(7n-3)=-n+114

14n-6=-n+114

15n=120

n=8

check...

2(7*8-3)=-8+114

2(56-3)=106

2(53)=106

106=106
Answer Link

Otras preguntas

Doubles minus one to solve 8+7
people involved in the temperance movement blames the ills of society on
Which. Of the following. Is an. Infinitive A. To. Be. b. Reading. c cooked. d. Has. Wondered
Evaluate the factorial expression 20!/15!
How was the code of Hammurabi different from earlier Mesopotamian laws
You had 13 of your allowance left on Monday. On Tuesday, you spent 13 of that amount of money. On Wednesday, you spent 13 of what you spent on Tuesday. What fra
-2/5x+6=8 can you help me
Gerundio del verbo comer más la partícula -sé al final
Look at the chart below, which represents the Spanish caste system. Which term would fit in the sixth box of the chart in order to reflect the Spanish caste sys
Acme Sporting Products manufactures 3216 tennis balls a day. Each container holds 3 balls. How many tennis ball containers are needed daily? What operation will