Doing the same thing to both sides of the equation say adding 3 to each side keeps the equation balanced. You can usually find the exact answer or if necessary a numerical answer to almost any accuracy you require. 5 k 2 4.
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Solving simple equations is really just undoing everything thats happening to the variable in order to get the variable by itself. We will signify these cases by placing a minus on the opposite side of the equation for one case and a plus on. Thus if you do something to one side of the equation you must do the same thing to the other side. Solve by working backwards from the order of operations undo all additionsubtraction and then undo multiplicationdivision.