0puść nawiasy i zredukuj wyrazy podobne (1/2x+3y-5.5)-(3/4x-6.5y+7.6)+(2 1/4x+2/5-8.8)
(1/2x+3y-5,5)-(3/4x-6,5y+7,6)+(2i1/4x+2/5-8,8)=
2/4x+3y-5,5-3/4x+6,5y-7,6+9/4x+2/5-8,8=
8/4x+9,5y-21,5=
2x+9,5y-21,5
(1/2x+3y-5.5)-(3/4x-6.5y+7.6)+(2 1/4x+2/5-8.8) =
= 0,5x+ 3y- 5,5- 0,75x+ 6,5y- 7,6+ 2,25x + 0,4 - 8,8 =
= 2x + 9,5y - 21,5
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(1/2x+3y-5,5)-(3/4x-6,5y+7,6)+(2i1/4x+2/5-8,8)=
2/4x+3y-5,5-3/4x+6,5y-7,6+9/4x+2/5-8,8=
8/4x+9,5y-21,5=
2x+9,5y-21,5
(1/2x+3y-5.5)-(3/4x-6.5y+7.6)+(2 1/4x+2/5-8.8) =
= 0,5x+ 3y- 5,5- 0,75x+ 6,5y- 7,6+ 2,25x + 0,4 - 8,8 =
= 2x + 9,5y - 21,5