20. Explain the Error A linear system has two equations Ax + By = C and Dx + Ey = F. A student begins to solve the equation as shown. What is the error?
Ax + By=C
=
+ k(Dx + Ey) = F
(A + KD)x + (B + kE)y=C+F

How to solve a simultaneous equation involved with fractions?

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