pre-calculus

Rewrite each equation into slope intercept or special case form.

1) 4x+3=8x
2) 9y-(7+3y)=0
I have no idea how to do these two. Can someone please help me?
3)x/2+y/7=1
My answer is y=-7x+14. Is this correct?

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  1. 1) if it is really 4x = 3
    then x = 3/4 a vertical line

    2) 9y - 7 - 3y = 0
    6 y = 7
    y = 7/6 a horizontal line of slope 0

    3) 7 x + 2 y = 14
    2 y - -7 x + 14
    y = -(7/2) x + 7

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