pepper01 pepper01

07-09-2014
Mathematics

contestada

How to solve y for this problem:

16x + 9 = 9y - 2x.

I am thinking the answer is y=2x, but I'm not sure

Respuesta :

07-09-2014

[tex]16x+9=9y-2x\ \ |Add\ 2x\ to\ both\ sides\\\\ 16x+9+2x=9y-2x+2x\\\\ 18x+9=9y\ \ \ |Divide\ by\ 9\\\\ \frac{18x}{9}+\frac{9}{9}=\frac{9y}{9}\\\\ 2x+1=y\\\\ Solution\ is\ y=2x+1.[/tex]

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