1) x = 3
2) 4y + 12 - 5x - 4
Объяснение:
1)
5(x-4)+2x=x-2
5x - 20 + 2x = x -2
7x - x = 18
6x = 18
x = 3
2)
4(y+3)-5x-4
4y + 12 - 5x - 4
1) x = 3
2) 4y + 12 - 5x - 4
Объяснение:
1)
5(x-4)+2x=x-2
5x - 20 + 2x = x -2
7x - x = 18
6x = 18
x = 3
2)
4(y+3)-5x-4
4y + 12 - 5x - 4