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April 18, 2014

April 18, 2014

Posted by **Adriana** on Saturday, October 11, 2008 at 5:33pm.

1. 30=8 - 2x

2. 98 - 4b= -11b

3. 3p - 8= 13 - 4p

4. 9 - 2y/7 = y

5. 1/3(12 - 6x) = 4 - 2x

- Math -
**drwls**, Saturday, October 11, 2008 at 5:39pmAdd, subtract, multiply or divide both sides of the equation by the same amount unitl you get only the variable you want on one side. That is all there is to it.

For example:

30 = 8 - 2x

22 = -2x

-22 = 2x

x = -11

You should be able to do the others yourself

- Math -
**Adriana**, Saturday, October 11, 2008 at 6:07pmHow would you go about solving this one, though: 3p - 8= 13 - 4p

Would you subtract the 13 from the 8 first and then add 4p to the 3p?

- Math -
- Math -
**Ms. Sue**, Saturday, October 11, 2008 at 6:11pm3p - 8= 13 - 4p

You would first add 8 to both sides of the equation.

3p = 21 - 4p

Then add 4p to both sides.

7p = 21

p = ?

- Math -
**Ms. Sue**, Saturday, October 11, 2008 at 6:22pmGreat! You're welcome. :-)

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