Question

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

Answer 1

Step-by-step explanation:

15z-21-18z+22=32z-42-17

-3z+1=32z-59

35z=60

z=60/35

z=12/7

Answer 2

Answer:

$15z - 21 - 18z + 22 = 32z - 52 - 17$

$= ) - 3z + 1 = 32z - 69$

$= ) - 3z - 32z = - 69 - 1$

$= ) - 35z = - 70$

$= )z = 2$