Ответ:
Пошаговое объяснение:
1.
-4(2.3x-3)-(5-2.6x)+3(0.6x-2) x=
-9.2x+12-5+2.6x+1.8x-6 = -4.8x+1
2.
1.2x-(-0.4x+2.4y) 3y-2x=-5
1.2x+0.4x-2.4y = 1.6x-2.4y
2x-3y = 5
1.6x-2.4y = 4
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Answers & Comments
Ответ:
Пошаговое объяснение:
1.
-4(2.3x-3)-(5-2.6x)+3(0.6x-2) x=
-9.2x+12-5+2.6x+1.8x-6 = -4.8x+1
2.
1.2x-(-0.4x+2.4y) 3y-2x=-5
1.2x+0.4x-2.4y = 1.6x-2.4y
2x-3y = 5
1.6x-2.4y = 4