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(a) Solve for z in (b) Solve for u in 6 2-2 v-4 v+2 - 62 2-4 1 = v-7 v-1 7z 2+2

(a) Solve for z in (b) Solve for u in 6 2-2 v-4 v+2 - 62 2-4 1 = v-7 v-1 7z 2+2

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