Question 271573
-5(1-5x)+5(-8x-2)=-4x-8x

The first thing you have to do in this equation is distribute to get rid of the parenthesis.

After distrubution, you're equation should look like this 
{{{-5+25x-40x-10=-4x-8x}}}

Collect like terms:
-15=-3x

Now divide by -3, and x will equal 5.