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Mathematics 7 Online
OpenStudy (anonymous):

add and show steps please -42 + (-13)

OpenStudy (anonymous):

whenever your adding a negative with a negative simply just add the two numbers. so -42 +(-13) would be -55. Be careful not to get this problem mixed up with problems like this:ex:-10 - -5, in this case you would change the equation into -10 +(+5), because a neg - another - will give you a positive

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

np

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