I have an equation;

7=2

3+a a - 2

can I solve it this way?

6a + 2a=8a

7a - 14 7a -14

= a - 14

The method I have used is to cross multiply, but I am unsure?

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- Jul 30th 2011, 10:23 AMDavid GreenSolving equations?
I have an equation;

__7__=__2__

3+a a - 2

can I solve it this way?

__6a + 2a__=__8a__

7a - 14 7a -14

= a - 14

The method I have used is to cross multiply, but I am unsure? - Jul 30th 2011, 10:59 AMPlatoRe: Solving equations?
- Jul 30th 2011, 11:03 AMDavid GreenRe: Solving equations?
- Jul 30th 2011, 11:11 AMTheChazRe: Solving equations?
- Jul 30th 2011, 11:12 AMPlatoRe: Solving equations?
- Jul 30th 2011, 11:16 AMDavid GreenRe: Solving equations?
- Jul 30th 2011, 11:20 AMPlatoRe: Solving equations?
- Jul 30th 2011, 11:31 AMDavid GreenRe: Solving equations?