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December 21, 2014

December 21, 2014

Posted by **Nejat** on Tuesday, February 19, 2008 at 4:41pm.

- 7th grade math -
**roniwi**, Tuesday, February 19, 2008 at 5:33pmi would say 2x+7 or 7+2x

- 7th grade math -
**Reiny**, Tuesday, February 19, 2008 at 6:58pmx+4(x+3)

= x + 4x + 12

= 5x + 12

- 7th grade math -
**Guido**, Tuesday, February 19, 2008 at 7:22pmx + 4 (x + 3)

This is not a FOIL situation.

You must first clear the parentheses.

4 times x = 4x

4 times 3 = 12

We now have:

x + 4x + 12

Combine like terms is our next step.

x + 4x = 5x

Final answer:

5x + 12

Done!

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