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Mathematics 9 Online
OpenStudy (anonymous):

-5z + 4n + 18z -10n Simplify the expression

OpenStudy (espex):

Just combine like terms.

OpenStudy (anonymous):

Need help not good at math

OpenStudy (espex):

Like terms are those that are of the same type, like integers (2, 45, 9, -4) and those with variable multipyers (2x, 43y, 18z, 99m).

OpenStudy (espex):

If you have two "like" terms you can combine them, such as (2x -4x) can be combined to make -2x

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