. Find the value of z. 7z-18=-28+2z
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Degree of polynomial 3x^3-2x^2+3x-4 ... 28. is perfect square x^2+4x+4. 29. Perfect ... Find x when y=6, z=4. 68. ... Ratio and proportion - if geometric mean 18 and x is 12, find value of x.
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