Question 1098227
{{{ x-(9x-10)+11=12x+3(-2x+13) }}}
{{{ -8x+21=12x-6x+39 }}}
{{{ -8x+21=6x+39 }}}
{{{ -8x+21-21=6x+39-21 }}}
{{{ -8x=6x+18 }}}
{{{ -8x-6x=6x+18-6x }}}
{{{ -14x=18 }}}
{{{ (-14x)/-14=18/-14}}}
{{{ x=-(9/7)}}}