algebra word problem
posted by J .
find three consecutive positive numbers such that the product of the first and third minus the second, is 1 more than 6 times the third

algebra word problem 
MathMate
" find three consecutive positive numbers"
Let the middle integer be M.
"such that the product of the first and third minus the second,"
(M1)*(M+1)  M
"is 1 more than 6 times the third"
= 6(M+1)+1
The resulting formula is therefore
(M1)(M+1)M = 6(M+1)+1
This equation has rational factors, or you could use the quadratic formula to find the solution. The answer for M is less than 10. 
algebra word problem 
J
I still don't understand it

algebra word problem 
DrBob222
This is worked exactly the same way as mathmate did it but uses a little different terminology. Perhaps this will help.
These are consecutive numbers; therefore, if we let x = first number, x + 1 = y is the second number and y+1 = z = the third number.
Then product of 1st and 3rd is
xz and that minus the second makes it
xzy and that = 6(3rd)+1 but the 3rd is 6z so
xzy=6z+1
Now just substitute for x = y1 and for z = y+1 and solve for y (which is the middle number).
(y1)(y1)  y = 6(y+1)+1
y=??
y1 = x
y+1 = z
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