Write equations: Write down the given system of equations.{:\left\{\begin{array}{l}\(\newline\)\(5\)+\(14\)a=\(9\)a\(-5\),(\newline\)a=\square\(\newline\)\end{array}\right.\:}\(\newline
Simplify first equation: Simplify the first equation by moving all terms containing ' extit{a}' to one side and constant terms to the other side.5+14a−9a=9a−5−9a5+5a=−5
Combine like terms: Combine like terms on both sides of the equation. 5+5a=−5
Isolate term with 'a': Subtract 5 from both sides to isolate the term containing 'a'.5+5a−5=−5−55a=−10
Solve for 'a': Divide both sides by 5 to solve for 'a'.55a=5−10a=−2
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