3(5z-7)-2(9z-11)=4(8z-13)-17
Answers
Answered by
29
3(5z-7)-2(9z-11)=4(8z-13)-17
15z-21-18z+22=32z-52-17
(-3z)+1 = 32z -69
35z = 70
so, z =2
Answered by
1
Answer:
z = 2
Explanation:
Given simple equation:
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
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