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Mathematics 7 Online
OpenStudy (anonymous):

Evaluate -9 - (-4) I think the answer is 5?

OpenStudy (anonymous):

subtracting a negative = + -9 - -4=-9+4=-5 correct

OpenStudy (anonymous):

oh wait so -5? not +5?

OpenStudy (kash_thesmartguy):

-9-(-4) is -9+4 which is -5. Yes you were wrong

OpenStudy (anonymous):

oh I can't read, I thought you wrote -5

OpenStudy (anonymous):

ok thnx :)

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

|dw:1436232561145:dw| use a number line

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