Question

СРОЧНО!
Раскрой скобки 1–7
1. 2(х – 5)
2. 3(8+а)
3. 5(4–6у)
4. 10(2b– 1)
5. 4(3+3х– m)
6. 6(5у– 2b+10)
7. 8(3x+a–4)

Answer 1

1)2(x-5)=2x-10.
2)3(8+a)=24+3a.
3)5(4-6y)=20-30y.
4)10(2b-1)=20b-10.
5)4(3+3x-m)=12+12x-4m.
6)6(5y-2b+10)=30y-12b+60.
7)8(3x+a-4)=24x+8a-24.