simplify 0.3{x-2y}+0.5x-y
0.3[x-2y] + 0.5x - yUse the distributive property: a(b-c) = ab - ac0.3x - 0.6y + 0.5x - yNow, add/subtract all like terms0.3x + 0.5x - 0.6y - y0.8x - 1.6yIf you want, we can simplify that down further to:0.8(x - 2y)