## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$a=\dfrac{3}{8}$
Using the properties of equality, the value of the variable that satisfies the given expression, $a+7-2a=14+7a-10 ,$ is \begin{array}{l}\require{cancel} a-2a-7a=14-10-7 \\\\ -8a=-3 \\\\ a=\dfrac{-3}{-8} \\\\ a=\dfrac{3}{8} .\end{array}