3 (527) (92-1t) = 4(87-13) - 13
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Answer:
3(5z-7)-2(9z-11)=4(8z-13)-17
=> 15z-21-18z+22=32z-52-17
=>15z-18z-32z = -52-17+21-22
=> (15-18-32)z = -69-1
=> -35z = -70
=> z = (-70)/(-35)
=> z = 2
Therefore,
z = 2
Step-by-step explanation:
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