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1. First blank (combining terms)
When solving multi - step linear equations, the first step is usually to combine like terms. Like terms are terms that have the same variable raised to the same power or are constant terms. For example, in an equation like \(2x + 3x+5 = 10\), we first combine \(2x\) and \(3x\) (the like terms with the variable \(x\)) to simplify the equation.
The distributive property is used to distribute a number across terms inside parentheses. The formula for the distributive property is \(a(b + c)=ab+ac\). For example, if we have \(3(x + 2)\), using the distributive property, we get \(3\times x+3\times2 = 3x + 6\).
In the term \(3x\), the number \(3\) is the coefficient of \(x\). A coefficient is a number that is multiplied by a variable in an algebraic expression.
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