Пошаговое объяснение:
5/7(x+3)= -2(1-x)
5/7x + 15/7 = -2 + 2x
2x - 5/7x = 15/7 + 2
1 2/7x = 15/7 + 14/7
1 2/7x = 29/7
x = 29/7 : 1 2/7
x = 29/7 * 7/9
x = 29/9
x = 3 2/9
6(4x-7)-3(5-8x)=0
24x - 42 - 15 + 24x = 0
48x - 57 = 0
48x = 57
x = 57 : 48
x = 1 9/48
x = 1 3/16
Пошаговое объяснение:
5/7(x+3)= -2(1-x)
5/7x + 15/7 = -2 + 2x
2x - 5/7x = 15/7 + 2
1 2/7x = 15/7 + 14/7
1 2/7x = 29/7
x = 29/7 : 1 2/7
x = 29/7 * 7/9
x = 29/9
x = 3 2/9
6(4x-7)-3(5-8x)=0
24x - 42 - 15 + 24x = 0
48x - 57 = 0
48x = 57
x = 57 : 48
x = 1 9/48
x = 1 3/16