Question

Раскройте скобки и упростите

Answer 1

вар.1

1.=3b+5-7b=5-4b

2.=-8c+4-4=-8c

3.=24a-12+6a=30a-12

4.=7p-6p+2=p+2

5.=x-x+2x-4=2x-4

вар.2

1.=5х+11-7х=11-2х

2=-3n-8m+3n=-8m

3.=40-5c+11c=40+6c

4.=8a-12a-8=8-4a

5.=7b-3b+2-3b=b+2