It depends on the value of y. If y=2 then it would be (6x2)+9 which is 21.
Sorry, I don't think that really answered your question :S
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Two ways to see this: 6y=8-9+6y 6y=6y-1 No answer here 6y= 8-(9+6y) 6y+(9+6y)=8 12y+9=8 12y=-1 y= -(1/12) or -0.08333...
7y-8 = 6y+1 7y-6y = 1+8 y = 9
(2y + 3)(4y^2 - 6y + 9)
It does nothing! 4x + 6y = 24 7x + 6y = 9 Subtracting the first equation from the second gives: 3x = - 15 so that x = -5 Substituting the value of x in the first equation gives -20 + 6y = 24 so that 6y = 44 and so y = 22/3 or 71/3
It's 0