Evaluate
91
Factor
7\times 13
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7\left(55-18+50-87\right)-9-\left(20+50-170\right)
Add 25 and 30 to get 55.
7\left(37+50-87\right)-9-\left(20+50-170\right)
Subtract 18 from 55 to get 37.
7\left(87-87\right)-9-\left(20+50-170\right)
Add 37 and 50 to get 87.
7\times 0-9-\left(20+50-170\right)
Subtract 87 from 87 to get 0.
0-9-\left(20+50-170\right)
Multiply 7 and 0 to get 0.
-9-\left(20+50-170\right)
Subtract 9 from 0 to get -9.
-9-\left(70-170\right)
Add 20 and 50 to get 70.
-9-\left(-100\right)
Subtract 170 from 70 to get -100.
-9+100
The opposite of -100 is 100.
91
Add -9 and 100 to get 91.
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Limits
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