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OpenStudy (anonymous):
3(5z-7)-2(9z-11)=4(8z-13)-17
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OpenStudy (shadowfiend):
Are you trying to solve for z?
OpenStudy (shadowfiend):
Hm. I would assume as much, but it's not exactly clear.
OpenStudy (anonymous):
ya
OpenStudy (anonymous):
15z-21-18z+22 = 32z-52-17 15z-18z+22-21 = 32z-69 -3z+1 = 32z-69 1+69 = 32z+3z 70 = 35z 35z = 70 z = 70/35 z= 2
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