1. 2t+4-8-4t-4t+2t-1=-4t-9
2.4n+4-5-n-n-4=2n-5
Объяснение:
2(t+4) -4(2-t)-(4+2)t-1=2t+8-8+4t-4t-2t-1=-1
4(n+1) – (5-n)-n-3=4n+4-5+n-n-3=
4n-4
1. 2t+4-8-4t-4t+2t-1=-4t-9
2.4n+4-5-n-n-4=2n-5
Объяснение:
2(t+4) -4(2-t)-(4+2)t-1=2t+8-8+4t-4t-2t-1=-1
4(n+1) – (5-n)-n-3=4n+4-5+n-n-3=
4n-4