Question 75920
{{{ -3x-5 = 2(-x)-25 }}}
Distribute the 2 to the -x
{{{ -3x-5 = -2x-25 }}}
add 3x to each side
{{{ -5 = x-25 }}}
add 25 to both sides
{{{ 20 = x }}}
Substitute this in and check
{{{ -3x-5 = 2(-x)-25 }}}
{{{ -3(20)-5 = 2(-20)-25 }}}
{{{ -60-5 = -40-25 }}}
{{{ -65 = -65 }}}
YES!!!