Equation 1: c+g+h=f Equation 2: b+g = a Equation 3: e + h=Dd Equation 4: a + c+ d = 0 Equation 5: a - 12.5c + 25g = 25 Equation 6: 12.5c - 3d - 37.5h=-20 Equation 7: -4e+ 6.25f + 37.5h = 10 Equation 8: 2b - 6.25f - 25g = -30

Q: Solve by elimination (multiplication/add)

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A: The detailed solution of the problem is given in the next steps.

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A: topic -quadratic equation

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