Question 218648
Assist in solving


-8z - (5z+6) + 15z for z = -1


-8z - (5z+6) + 15z = -8z-5z-6+15z=(-8-5+15)z-6=2z-6=2*(-1)-6=-2-6=-8


Answer is -8.


I hope the above steps and explanation were helpful. 


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