0,5(x-2y)+¾(4x-2y)-(30,5x-1,5y)= 3(a-2b+4)= -2(3x-7-y)= 5(x-2-5)= 7(a-2b+3)= -½(2x+4y-6)= ¼(-3x²-8x+2)= 3(a-1)+a= -5(b+8)-2b= 2x-3(x-1)= x+2(-5+8x)= -11-3(a-3)= 15-2(a-3)=

0,5(x-2y)+¾(4x-2y)-(30,5x-1,5y)=0,5x - 1y + 3x - 1,5y - 30,5x + 1,5y = -27x - 1y 3(a-2b+4)= 3a - 6b + 12 -2(3x-7-y)= -6x + 14 +2y 5(x-2-5)= 5x - 10 - 25 7(a-2b+3)= 7a - 14b + 21 -½(2x+4y-6)= -x - 2y + 3 ¼(-3x²-8x+2)= -¾ x² - 2x + ½ 3(a-1)+a= 3a - 3 + a = 4a - 3 -5(b+8)-2b= -5b - 40 - 2b = -7b - 40 2x-3(x-1)= 2x - 3x + 3 = -x + 3 x+2(-5+8x)= x - 10 + 16x = 17x - 10 -11-3(a-3)= -11 - 3a + 9 = -2 - 3a 15-2(a-3)= 15 - 2a + 6 = 21 - 2a

0,5(x-2y)+¾(4x-2y)-(30,5x-1,5y)=0,5x-y+3x-3/2y-30,5x+1,5y=-27x-1 3(a-2b+4)=3a-6b+12 -2(3x-7-y)=-6x+14+2y 5(x-2-5)=5x-10-25 7(a-2b+3)=7a-14b+21 -½(2x+4y-6)=-x-2y+3 ¼(-3x²-8x+2)=-¾x²-2x+½ 3(a-1)+a=3a-3+a=4a-3 -5(b+8)-2b=-5b-40-2b=-7b-40 2x-3(x-1)=2x-3x+3=-x+3 x+2(-5+8x)=x-10+16x=-17x-10 -11-3(a-3)=-11-3a+9=-2-3a 15-2(a-3)=15-2a+6=21-2a