purpleart1111
purpleart1111 purpleart1111
  • 16-09-2017
  • Mathematics
contestada

3x+1/5y=7 solve for y.

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BenjaminG123
BenjaminG123 BenjaminG123
  • 16-09-2017
Greetings!

"Solve for y:[tex]3x+1/5y=7[/tex]"...

Add -1/5y to both sides.
[tex](3x+1/5y)+(-1/5y)=(7)+(-1/5y)[/tex]
Simplify.
[tex]3x=7-1/5y[/tex]
Divide both sides by 3.
[tex](3x)/3=(7-1/5y)/3[/tex]
Simplify.
[tex]x=(7-1/5y)*1/3[/tex]
[tex]x=7/3-1/15y[/tex]

Hope this helps.
-Benjamin
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