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...Solving linear equations mc bus lineqn introduction always involve one or more unknown quantities which we try to nd when solve the equation simplest deal with are on this leaet describe how these solved alinear those can be written in form ax b where x is value and a known numbers following all examples of does not have symbol other letters used t z w sometimes you will come across at rst sight might appear if some experience transposing formulas able check that they standard tosolvealinear it helpful know already transpose rearrange make quantity subject do may add subtract same from both sides multiply divide by example c www mathcentre ac uk solution wetry obtain its own left hand side subtracting wehave found substituted into original should substituting equals as right dividing adding exercises d e answers...