SOLUTION: Four times a number is equal to twice the sum of five and that number find the unknown number?
Algebra.Com
Question 535002: Four times a number is equal to twice the sum of five and that number find the unknown number?
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Let x=the number; 4x=four times the number;2(x+5)=twice the sum of 5 and that number
And we are told the following:
4x=2(x+5) get rid of parens
4x=2x+10 subtract 2x from each side
4x-2x=2x-2x+10
2x=10
x=5-----------the number
CK
4*5=2*(5+5)
20=20
Hope this helps----ptaylor
RELATED QUESTIONS
Four times the sum of a number and five is equal to the difference of twice the number... (answered by josgarithmetic)
When Twice The Sum of 5 and an Unknown Number is Subtracted from 8 Times the Unknown... (answered by CubeyThePenguin)
When 3 times the sum of 4 and an unknown number is subtracted from 10 times the unknown... (answered by RAY100,PRMath)
1. five times the sum of twice a number and 5 is the same as the sum of 9 times the... (answered by Edwin McCravy,ikleyn)
The sum of 7 more than 5 times a number is equal to 6 more than twice the same number.... (answered by Earlsdon)
The sum of 1/2 and four times a number is equal to 5/6 subtracted from five times the... (answered by mananth)
what is the answer?four times an unknown number is subtracted from twenty five is equal... (answered by Stitch)
Translate the following sentence into an equation. Use x the represent an unknown number. (answered by Fombitz)
the sum of twelve and an unknown number is four times the unknown number. (answered by Theo)