SOLUTION: the sum of twice a number and 4 is -12.
Algebra.Com
Question 575862: the sum of twice a number and 4 is -12.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"the sum of twice a number and 4 is -12" translates to 2n+4 = -12, solve for n to get
2n + 4 = -12
2n = -12 - 4
2n = -16
n = -16/2
n = -8
So the unknown number is -8
RELATED QUESTIONS
Twice the sum of a number and 12 is 70. Find the... (answered by algebrahouse.com)
4 times the sum of a number and 3 is 4 more than twice the... (answered by drk)
What is the algebraic expression that corresponds to "the sum of twice a number and... (answered by mananth)
the sum of twice a number d and 3 is... (answered by MathLover1)
twice the sum of a number and 4 is equal to 22 what is the... (answered by jim_thompson5910)
Twice the sum of a number and 4 gives 10. What is the... (answered by ikleyn,josgarithmetic)
What is the sum of 4 times a number and twice the sum of the same number and... (answered by macston)
The sum of twice a number and 12 less than the number is the same as the different... (answered by mananth)
Write an equation for. The sum of 4 and twice a number is 34
(answered by Edwin McCravy)