Work Step by Step
$7x - [8 - 3(2x - 5)]$ Work in parentheses. Expand $3(2x - 5)$ = $6x-15$ Rewrite the equation: $=7x -(8-(6x-15))$ $=7x-(8-6x+15)$ $=7x-(-6x+23)$ $=7x+6x-23$ $=13x-23$
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