1.8a-1.8*3b-2a-6b=-0.2a-11.4b
Пошаговое объяснение:
2x-4y+3x+12y=5x+8y
1.7c-3.4a+2c-2d=3.7c-3.4a-2d
-1/7*7/3y-1/7-1/2*2/5y+1/2=-1/3y-1/7-1/5y+1/2=-(5+3)/15*y+(7-2)/14=-8/15*y+5/14
1.8a-1.8*3b-2a-6b=-0.2a-11.4b
Пошаговое объяснение:
2x-4y+3x+12y=5x+8y
1.7c-3.4a+2c-2d=3.7c-3.4a-2d
-1/7*7/3y-1/7-1/2*2/5y+1/2=-1/3y-1/7-1/5y+1/2=-(5+3)/15*y+(7-2)/14=-8/15*y+5/14