- (3a-1,y)=(5a-7,2y-1) help!!!!!!!!?

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When an electron free falls into the Nucleus of the atom what happens to the oscilation time? How does gravity energy relate to gravity power? Verifique se as retas r: x + 3y - 4 = 0 e s: x - 2y + 2 = 0 são paraleleas ou concorrentes. Justifique? Is Einstein field equation incomplete tying in two forces,when Newton gravity equation ties in 4 forces? Could anyone solve this system of equations with determinants? ax + 2y = 1
8x + ay = 2?