1 + (0,5x - 3) - (1,5x - 4) = 1 + 0,5x - 3 - 1,5x + 4 = 2 - x
1 - 4(1/2y + 1) + 5(0,2 - y) = 1 - 2y - 4 + 1 - 5y = - 7y - 2
Объяснение:
а) 1+(0,5x-3)-(1,5x-4)=
=1+0,5x-3-1,5x+4=
=2-x
б) 1-4(1/2y+1)+5(0,2-y)=
=1-2y-4+1-5y=
=-2-7y
1 + (0,5x - 3) - (1,5x - 4) = 1 + 0,5x - 3 - 1,5x + 4 = 2 - x
1 - 4(1/2y + 1) + 5(0,2 - y) = 1 - 2y - 4 + 1 - 5y = - 7y - 2
Объяснение:
а) 1+(0,5x-3)-(1,5x-4)=
=1+0,5x-3-1,5x+4=
=2-x
б) 1-4(1/2y+1)+5(0,2-y)=
=1-2y-4+1-5y=
=-2-7y