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Mathematics 18 Online
OpenStudy (anonymous):

will give medal and fan Simplify. –15 – (–3) + 4 (Points : 2) –16 –8 –22 8

jimthompson5910 (jim_thompson5910):

hint: -15 - (-3) + 4 is the same as -15 + 3 + 4

OpenStudy (calculusxy):

Always compute from left to right when you have addition and subtraction.

jimthompson5910 (jim_thompson5910):

notice how the -(-3) turned into +3 the two negatives cancel to become a positive

OpenStudy (calculusxy):

When you need to subtract with negative and positive numbers, always remember this: You add with the opposite of the second addend.

OpenStudy (calculusxy):

Therefore, you have: \[-15 + 3 \]

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