SOS Math is a great site that offers lots of help with mathematics questions. This page from the site, Solving Equations, gives problems and solutions, with each step carefully laid out. You can then work through another example or ask for more problems to solve, each of which will have the solution explained. Practice solving linear equations, equations containing radicals, equations with absolute values, quadratic equations, equations with fractions, exponential equations, logarithmic equations, and trigonometric equations.
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