Question 928271
{{{3x+4(x-8)-x=(3/5)(10x+15)}}}
 Multiply both sides by {{{5}}}.
{{{15x+20(x-8)-5x=3(10x+15)}}}
{{{15x+20x-160-5x=30x+45}}}
{{{30x-160=30x+45}}}
{{{-160=45}}}
False, there is no solution, in other words, no value for {{{x}}} will make this true.