УПРОСТИТЬ (вычислить): 1.3x + 2x+7x-11x =
2. 3x +12х - 7х+1 1х - 12х =
3. 23х – 12х+9х -11х - 4х =
4. 3x + 2x+7х+11x =
5. 3x + 2х+ 7х+11x — 4х =
6. 3x + 2x+7x-5x - 6x =
7. 7х- 2x =
8. 12х – 7x =
9.10x — 8x =
10. 18x — 10x =
=​

1. 3x + 2x+7x-11x = 12х-11х= х

2. 3x +12х - 7х+1 1х - 12х = 7х

3. 23х – 12х+9х -11х - 4х = 5х

4. 3x + 2x+7х+11x = 23 х

5. 3x + 2х+ 7х+11x — 4х = 19х

6. 3x + 2x+7x-5x - 6x = х

7. 7х- 2x = 5х

8. 12х – 7x = 5х

9.10x — 8x = 2х

10. 18x — 10x = 8х