(2x-1)+(-x+5)=2
2x – 1 – x + 5 = 2
2x – x = 2 – 5 + 1
1x = -2
x = -2
(43-12x)-(-7x+33)=-2
43 – 12x + 7x – 33 = – 2
– 12x + 7x = – 2 + 33 – 43
-5x = -12
x = 2.4
Объяснение:
(2x-1)+(-x+5)=2
2x – 1 – x + 5 = 2
2x – x = 2 – 5 + 1
1x = -2
x = -2
(43-12x)-(-7x+33)=-2
43 – 12x + 7x – 33 = – 2
– 12x + 7x = – 2 + 33 – 43
-5x = -12
x = 2.4
Объяснение: