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4x+y=8 solve for y

 Nov 9, 2016

Best Answer 

 #5
avatar+7188 
+5

Guest,  I see what you are saying.  This is a mistake on my hand.  I am still learning this stuff,  and I am glad I have people who can point out my mistakes.  Thank you!

 Nov 9, 2016
 #1
avatar
+5

4x+y=8 solve for y

 

4x + y=8 subtract 4x from both sides

y = 8 - 4x

 Nov 9, 2016
 #2
avatar+7188 
0

Divide both sides by 4.

 

x + y = 2

 

Subtract x from both sides.

 

y = 2 - x

 

That is your answer!!

 

@-Happy7/Ethan

 Nov 9, 2016
 #4
avatar
+5

happy7:

 

Your answer is wrong. You cannot divide just ONE term on the LHS by 4. You must divide both terms: The correct answer is that of "Guest # 1":

y = 8 - 4x, or

y = 4(2 - x)

 Nov 9, 2016
 #5
avatar+7188 
+5
Best Answer

Guest,  I see what you are saying.  This is a mistake on my hand.  I am still learning this stuff,  and I am glad I have people who can point out my mistakes.  Thank you!

happy7  Nov 9, 2016

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