Question

solve : 3(5z -7 ) -2(9z - 11) = 4(8z -13 )17

Answer 1

here is your answer....
3(5z-7)-2(9z-11)=4(8z-13)17
=>15z-21-18z+22=(32z-52)17
=>-3z+1=2272z-3692
=>2269z=3693
=>z=3693/2269
z=1.67.....