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July 30, 2014

July 30, 2014

Posted by **Lisa** on Friday, May 13, 2011 at 4:46pm.

x+10=-8

The solution x=

- Algebra -
**Anonymous**, Saturday, May 14, 2011 at 2:02amThe addition principle says you can add the same number to both sides of an equation without changing the value of the variable. In this case, we choose to add -10, so that the sum of constants on the left side will be zero.

x+10= -8

x+10-10= -8-10

x= -18

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