z=-(-(-1)+2)+(-(-1)-(+4)
Solve for z
z=-6
Assign z
z≔-6
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z=-\left(1+2\right)-\left(-1\right)-4
The opposite of -1 is 1.
z=-3-\left(-1\right)-4
Add 1 and 2 to get 3.
z=-3+1-4
The opposite of -1 is 1.
z=-2-4
Add -3 and 1 to get -2.
z=-6
Subtract 4 from -2 to get -6.
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