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Mathematics 13 Online
OpenStudy (clamin):

-7-(-18)=________

OpenStudy (anonymous):

its either negative or positive 126

OpenStudy (solomonzelman):

you know that \(\color{blue}{ \sf a-(-b) =a+b }\) so you can restate your problem as, \(\color{blue}{ \sf -7+18 }\) can you \(\color{green}{ \sf now }\) answer this question ?

OpenStudy (clamin):

-25

OpenStudy (solomonzelman):

no

OpenStudy (solomonzelman):

\(\color{blue}{ \sf -5+14=14-5=9 }\)

OpenStudy (clamin):

wait where did u get 14 and 9?

OpenStudy (solomonzelman):

I am showing on my (just now made up) example.

OpenStudy (clamin):

oh okAY

OpenStudy (clamin):

then what is the answer??

OpenStudy (solomonzelman):

do you get the example I posted ?

OpenStudy (clamin):

yea

OpenStudy (anonymous):

11

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