SOLUTION: Five times a certain number plus ten has the same value as two times the same number
minus five. What is the number?
Algebra.Com
Question 641332: Five times a certain number plus ten has the same value as two times the same number
minus five. What is the number?
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Let x=the number
Now we are told that:
5x+10=2x-5 subtract 5x from and add 5 to each side
5x-5x+10+5=2x-5x-5+5 collect like terms
15=-3x divide each side by -3
-5=x or
x=-5 the certain number
CK
5*(-5)+10=2*(-5)-5
-25+10=-10-5
-15=-15
Hope this helps---ptaylor
RELATED QUESTIONS
Six times a number minus five is less than twice the number plus... (answered by algebrahouse.com)
Seven times a number minus twelve is the same as two times the number plus... (answered by advanced_Learner,Edwin McCravy)
Please help me solve this: Two times a number added to 4 times a number is the same as... (answered by ikleyn)
five times a certain number is the same as the number multiplied by... (answered by stanbon,solver91311)
Five times a number decreased by 18 minus 4 times the same number is 236.
What is the... (answered by stanbon)
Five times a number decreased by minus 18 4 times the same number is -36. what is the... (answered by stanbon)
five times the difference of a number and 4 is the same as 4 increased by five times the... (answered by mananth)
Four times a number is two less than six times the same number minus ten. What is the... (answered by mananth)
Four times a number plus five is the same as six times the number less nine. Find the... (answered by rfer)