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October 21, 2014

October 21, 2014

Posted by **Sara** on Tuesday, February 2, 2010 at 10:28pm.

for ex.: x-15 = -8

+15 +15

x = 7

I need help with this equation:

-10=W-32+6

- Math-Ms. Sue -
**Sara**, Tuesday, February 2, 2010 at 10:30pmx-15 = -8

+15 +15

x = 7

Sorry I messed up there

- Math-Ms. Sue -
**Ms. Sue**, Tuesday, February 2, 2010 at 10:40pm-10=W-32+6

-10 + 32 - 6 = W -32 + 32 + 6 - 6

16 = W

We can check it by substituting 16 for W.

-10 = 16 - 32 + 6

-10 = 22 - 32

-10 = -10

Yep. 16 = W

- Math-Ms. Sue -
**Sara**, Tuesday, February 2, 2010 at 10:48pmthank you. Ms. Sue is this the only way to solve this or are there more ways to?

- Math-Ms. Sue -
**Ms. Sue**, Tuesday, February 2, 2010 at 10:55pmThis is the only way to solve it, although your teacher may have shown you a variation of this method.

Putting the numbers you add or subtract under each side shows what you're doing clearly when you're using pencil and paper. However, it can't be shown very clearly in this forum.

- Math-Ms. Sue -
**Sara**, Tuesday, February 2, 2010 at 11:01pmyeah, that's the only way my teacher showed me how to solve it, I think that it kind of seems unclear just on this forum, but that's okay, I can make sense out of it. Thanks

- Math-Ms. Sue -
**Ms. Sue**, Tuesday, February 2, 2010 at 11:03pmYou're welcome.

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