Answer
$2x+20$
Work Step by Step
$-(4x-10)+2(3x+5) = -4x+10+2(3x+5)$ (distribute the -1)
$-4x+10+2(3x+5) = -4x+10+6x+10$ (distribute the 2)
$-4x+10+6x+10 =2x+20$ (combine like terms)
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