what is the value of the expression 3y-z over y+5z

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19-08-2015
Mathematics

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what is the value of the expression 3y-z over y+5z

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7/B+5=10/5 and you have to cross multiply

pead pead · Answer 1 · 2015-08-19T18:00:34+02:00

pead pead

19-08-2015

Need to know the right hand side of equals sign to solve!

Because
3y-z/y+5z = 3

Has a different solution than
3y-z/y+5z = 4

Tip: multiply left and right of equals sign by (y+5z) when you have a right hand side

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