8x-(-3x-5)
=8x+3x+5
=11x+5
(3x-1)-(2-5x)
=3x-1-2+5x
=8x-3
(-4y+3)-(-5y-2)
=-4y+3+5y+2
=y+5
3x+1-2(4-x)
=3x+1-8+2x
=5x-7