solve ( z/4 - 3/5 ) / (4/3 - 7z ) = -3/20........pls answer soon ... i hv exam tomorrow

    z4-3543-7z = -3205z-12204-21z3 = -3205z-1220  ×  34-21z = -3205z-124-21z = -1-4+21z = 5z-1221z - 5z = -12 + 416z = -8z = -816 = -12

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