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6th grade math

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9 + x = 17

I know that x=8 but how did you get it

Thanks

  • 6th grade math -

    9 + x = 17

    Subtract 9 from both sides of the equation.

    9 - 9 + x = 17 - 9

    x = 8

    Remember -- you need to get the known quantities on one side and the unknown on the other side.

  • 6th grade math -

    thanks so much!

  • 6th grade math -

    You're very welcome.

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