Answer
$13x-23$
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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