Hey there! :D
-5(1-5x)+5(-8x-2)=-4x-8x
I'm assuming you meant 'x'. Use the distributive property.
-5(1-5x)= -5+25x 5(-8x-2)= -40x-10
-5+25x+-40x-10=-4x-8x
-15x-15=-12x
Add 15 to the other side.
-15x= -12x+15
Add 12x to both sides.
-3x=15
Divide by -3.
x=-5
I hope this helps!
~kaikers