How do you solve #\frac { z + 5} { z - 7} = - 3#?
1 Answer
Feb 18, 2017
#z=4#
Explanation:
Given -
#(z+5)/(z-7)=-3#
#(z+5)=-3(z-7)#
#z+5=-3z+21#
#z+3z=21-5#
#4z=16#
#z=16/4=4#
#z=4#
