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In: Mechanical Engineering

How do I solve this system of equations without using a calculator or fancy matrix math?...

How do I solve this system of equations without using a calculator or fancy matrix math?

v1 = 1.8 v2 = ? v3 = ?

(1) v1 = 1.8

(2) 7150v2+1350v3  = 12780

(3) 7150v22 + 1350v32 = 23166

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