Asked by madi

in my workbook it says give the opposite of each expression and the problems are:

-10t+21

-x+2z

there are alot more but i thought if someone explained a couple of these to me maybe id understand the rest. idk just please help me!!!
Answered by drwls
If by "opposite" they mean "negative", the answers are
10 t -21 and x - 2z.

Just put a minus sign in front of the expression they give you, and remember that two minus signs make a plus.
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