How do you solve #-8z=27 + z#?
1 Answer
Feb 27, 2016
z = -3
Explanation:
collect z terms to eft side . This involves subtracting z from both sides.
hence : -8z - z = 27 +z - z
so -9z = 27
now divide both sides by -9
#(cancel(-9)z)/cancel(-9) = 27/(-9) rArr z = -3 #
