SOLUTION: seven times the sum of a number and four is the same as eight
Algebra.Com
Question 379102: seven times the sum of a number and four is the same as eight
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
7(x + 4) = 8
7x + 28 = 8
7x = 8 - 28
7x = -20
x =
x = -2.857, a disappointing number, let's see if it works in the original eq
:
7(-2.857 + 4) = 8
7(1.143) = 8
8.00 = 8; therefore x =-2.857 is correct
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