U = - 5 - ( - 9 + 2 ) - ( - 4 + 6 - 11
Solve for U
U=11
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U≔11
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U=-5-\left(-7\right)-\left(-4+6-11\right)
Add -9 and 2 to get -7.
U=-5+7-\left(-4+6-11\right)
The opposite of -7 is 7.
U=2-\left(-4+6-11\right)
Add -5 and 7 to get 2.
U=2-\left(2-11\right)
Add -4 and 6 to get 2.
U=2-\left(-9\right)
Subtract 11 from 2 to get -9.
U=2+9
The opposite of -9 is 9.
U=11
Add 2 and 9 to get 11.
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