Question

проведение 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

1.11а-b
2.35-7y+3y-21=14-4y
3.12a-4c-5a+2c=7a-2c
4.4+x-2x-x+3=7-2x

Answer 2

1) 5а-4b+6a+3b=11a-b
1) 7(5-y)+3(y-7)=35-7y+3y+21=56-4y