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Make y the subject of: 4y-2x=17 Please help?

 I need help with my algebra work, i'm home schooled and my mum doesn't know how do do algebra, please help! 
Make y the subject of:
4y-2x=17
    And  
2y over 3-x=z
Thank you!! 
 
 
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1 Answer

I think you mean "solve the equation for y".
 
4y-2x = 17
 
 
Add 2x to both sides:
 
4y - 2x (+2x) = 17 (+2x)
 
4y = 2x + 17  (it's okay to switch the order since it's addition)
 
 
Divide both sides by 4:
4y/4 = 2x/4 + 17/4
 
y =  x/2 + 17/4
 

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