Question 582633
{{{2(v-5)+7v+4}}}


{{{2v-10+7v+4}}}


{{{(2v+7v)+(-10+4)}}}


{{{9v-6}}}



So {{{2(v-5)+7v+4}}} completely simplifies to {{{9v-6}}}



In other words, {{{2(v-5)+7v+4=9v-6}}} for all values of 'v'