Question

Раскройте скобки и упростите выражение
1. -8(t-2)+4
2. -15-2(-4-x)
3. -2(x+4)+10(t-2)
4. 4(6-a)-7(b+9)
5. -5,2-(-y-5,2)
6. -(x-y)+(-t+y)

Answer 1

1. -8t + 16 - 14= -8t + 2

2. -

3. -2x - 8 +10t-20 = -2x -28 +10t

4. 24 -4a -7b -63= -39 -4a-7b

5. 5,2y + 5,2

6. -

Answer 2

:)