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Solve for x using the addition principle.
The solution x=

  • Algebra - ,

    The 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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