Question 318530

Use a common denominator 2,
{{{11w+w+(17/2)w=(22/2)w+(2/2)w+(17/2)w}}}
{{{11w+w+(17/2)w=(41/2)w}}}

.
.
.
You need an operator (+/-) between {{{-6x}}} and {{{13x}}}, it's missing.