How do i solve this i don’t remember how

How do i solve this i don't remember how


[tex]How do i solve this i don't remember how[/tex]

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This Post Has 3 Comments

  1. the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

    hope this ! ^w^

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