Y=9x-9? Y=9

2 Answers
Mar 8, 2018

2=x2=x

Explanation:

Let's start by replacing the YY with 99

9=9x-99=9x9

Add 99 to 99

18=9x18=9x

Divide

2=x2=x

Mar 8, 2018

x=2x=2

Explanation:

Y=9x-9Y=9x9

Put Y = 9Y=9

=>9=9x-99=9x9

=>9+9=9x9+9=9x

=>18=9x18=9x

=>18/9=x189=x

=>cancel18^2/cancel9

=>2