Ответ:
Пошаговое объяснение:
8(6x-7)-17x=48x-56-17x=(48-17)x-56=31x-56
9y-5(17-y)=9y-85+5y=(9+5)y-85=14y-85
0,6(4x-3)+2,1(x-5)=2,4x-1,8+2,1x-10,5=(2,4+2,1)x-12,3=4,5x-12,3
2,5(4a-8b)-(3a-4b)·1,4=10a-20b-4,2a+5,6b=(10-4,2)a-(20-5,6)b=5,8a-14,4b
9/16 ·(5 1/3 ·x -2/3 ·y) -7/20 ·(2 6/7 ·x-5 5/7 ·y)=9/16 ·(16/3 ·x -2/3 ·y) -7/20 ·(20/7 ·x -40/7 ·y)=3x -3/8 ·y-x+2y=(3-1)x-(0,375 +2)y=2x-2,375y
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Answers & Comments
Ответ:
Пошаговое объяснение:
8(6x-7)-17x=48x-56-17x=(48-17)x-56=31x-56
9y-5(17-y)=9y-85+5y=(9+5)y-85=14y-85
0,6(4x-3)+2,1(x-5)=2,4x-1,8+2,1x-10,5=(2,4+2,1)x-12,3=4,5x-12,3
2,5(4a-8b)-(3a-4b)·1,4=10a-20b-4,2a+5,6b=(10-4,2)a-(20-5,6)b=5,8a-14,4b
9/16 ·(5 1/3 ·x -2/3 ·y) -7/20 ·(2 6/7 ·x-5 5/7 ·y)=9/16 ·(16/3 ·x -2/3 ·y) -7/20 ·(20/7 ·x -40/7 ·y)=3x -3/8 ·y-x+2y=(3-1)x-(0,375 +2)y=2x-2,375y