Question

Приведение подобных слагаемых
1) 5a-4b+6a+3b
2) 7(5-y)+3(y-7)
3) 4(3a-c)-(5a-2c)
4) 4+x-(2x+(x-3))

Answer 1

1) 5a-4b+6a+3b=11a-b
2) 7(5-y)+3(y-7)=
3) 7(5-y)+3(y-7)=
4) 4+x-(2x+(x-3))=