![]() Equations such as x + 3 = 7 are first-degree equations, since the variable has an exponent of 1. We call such shorthand versions of stated problems equations, or symbolic sentences. "Find a number which, when added to 3, yields 7"Īnd so on, where the symbols ?, n, and x represent the number we want to find. These techniques involve rewriting problems in the form of symbols. In this chapter, we will develop certain techniques that help solve problems stated in words.
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