3(5z-7)-2(9z-11)=4(8z-13)-17
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Answer:
2
Step-by-step explanation:
15z-21-18z+22 = 32z-52-17
15z-18z-21+22 = 32z-69
-3z+1 = 32z-69
-3z-32z = -69-1
-35z -70
-35 = -35
z = 2
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