Solve equations :

1)

Attachment 29476

2)

Attachment 29477

3)

Attachment 29478

Please Help Me . If i solve these , i will have the best mark ever in math in my entire life !

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- Oct 15th 2013, 06:17 AMfatlindHelp please
Solve equations :

1)

Attachment 29476

2)

Attachment 29477

3)

Attachment 29478

Please Help Me . If i solve these , i will have the best mark ever in math in my entire life ! - Oct 15th 2013, 07:07 AMtopsquarkRe: Help please
- Oct 15th 2013, 07:17 AMfatlindRe: Help please
- Oct 15th 2013, 07:32 AMtopsquarkRe: Help please
- Oct 15th 2013, 08:38 AMSlipEternalRe: Help please
Keep track of the direction of the inequalities. They are reversed if you multiply the inequality by a negative number. So, if you want to multiply across the inequality by , you need to consider two cases: when and when .