(9x-4)+(15x-5)=18-(25-22x)
9x – 4 + 15x – 5 = 18 – 25 + 22x
9x + 15x – 22x = – 25 + 18 + 5 + 4
2x = 2
x = 1
7(x-1)-3(2x+1)=-x-15
7x – 7 – 6x – 3 = – x – 15
7x – 6x + x = – 15 + 3 + 7
2x = -5
x = -2.5
5(4(x-1)-3x)=9x
раскроем скобки
20x-20-15x = 9x
-4x-20 = 0
4x+20 = 0
4x = -20
x = -5
(9x-4)+(15x-5)=18-(25-22x)
9x – 4 + 15x – 5 = 18 – 25 + 22x
9x + 15x – 22x = – 25 + 18 + 5 + 4
2x = 2
x = 1
7(x-1)-3(2x+1)=-x-15
7x – 7 – 6x – 3 = – x – 15
7x – 6x + x = – 15 + 3 + 7
2x = -5
x = -2.5
5(4(x-1)-3x)=9x
раскроем скобки
20x-20-15x = 9x
-4x-20 = 0
4x+20 = 0
4x = -20
x = -5