3(5z-7) - 2(9z - 11) = 4(8z-13) - 17
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Answer:
- 3(5z-7) -2(9z-11)=4(8z-13)-17
- 3*5z-3*7-2*9z+2*11=4*8z-4*13-17
- 15z-21-18z+22=32z-52-17
- 15z-18z-21+22=32z-69
- -3z+2=32z-69
- -3z-32z=-69-2
- -35z=-71
- z=71/-35
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