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when you have an equation and you want to move a number does the number change its sing

like if I have 7x − 19y = 10 and I want to move -19y to the left so it could be the first number, do I make it positive since it is positive or do I change the sing of the number that we move which is 7x so it would be -7x?  

 Jan 16, 2019
edited by Guest  Jan 16, 2019

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 #1
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yes, if you move the -19y the the other side, it is like adding 19y to both sides, so the sign would change to cancel things.

 

then you would have the equation 7x=10+19y.

 

HOPE THIS HELPED!

 Jan 16, 2019
 #1
avatar+533 
0
Best Answer

yes, if you move the -19y the the other side, it is like adding 19y to both sides, so the sign would change to cancel things.

 

then you would have the equation 7x=10+19y.

 

HOPE THIS HELPED!

asdf335 Jan 16, 2019

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