Преобразование выражений
упростите выражение
3(x-5)-7(x+1)
7(5-y)+3(y-7)
-(2a-c)-(3c-k)
4(a--x)-293a-x)
2(2a-p)-3(a+2p)
3(k-6)-(-27+k)
3(14-k)-2(k+2)
упростите выражение
3(x-5)-7(x+1)
7(5-y)+3(y-7)
-(2a-c)-(3c-k)
4(a--x)-293a-x)
2(2a-p)-3(a+2p)
3(k-6)-(-27+k)
3(14-k)-2(k+2)
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Answers & Comments
Ответ:
1. 3(x-5)-7(x+1)=3x-15-7x-7= -22-4x
2. 7(5-y)+3(y-7)=35-7y+3y-21=14-4y
3. -(2a-c)-(3c-k)=-2a+c-3c+k=-2a-2c+k
4. 4(a-x)-(293a-x)=4a-4x-293a+x=-3x-289a
5. 2(2a-p)-3(a+2p)=4a-2p-3a-6p=a-8p
6. 3(k-6)-(-27+k)=3k-18+27-k=2k+9
7. 3(14-k)-2(k+2)=42-3k-2k-4=38-5k
Как-то так.
by prostoya0