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September 30, 2014

September 30, 2014

Posted by **Paula** on Sunday, October 14, 2012 at 10:59pm.

These are the ones I get confused with.

7y +21 x - 15 = 4y- 12 + 13

I need to see the numberical working out asap if someone would be so kind .. thanks P

- Maths -
**Reiny**, Sunday, October 14, 2012 at 11:11pm7y +21 x - 15 = 4y- 12 + 13

I assume that once again, you are solving for y ?

7y - 4y = -12 + 13 + 15 - 21x

3y = 16 - 21x

divide each term by 3

y = 16/3 - 7x

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