174k views
5 votes
I have some answers the these problems but I just wanna make sure there right.. PLEASE Help??

I have some answers the these problems but I just wanna make sure there right.. PLEASE-example-1
I have some answers the these problems but I just wanna make sure there right.. PLEASE-example-1
I have some answers the these problems but I just wanna make sure there right.. PLEASE-example-2
I have some answers the these problems but I just wanna make sure there right.. PLEASE-example-3
User Jane Sully
by
5.0k points

1 Answer

7 votes
7x+12+63=180
8x+12=180
Subtract 12 from both sides
8x= 168
=c=21

10x-40=50
Add 40 to both sides
10x=90
X=9

4x+72+2x-12=180
6x +60 =180
Subtract 60 from both sides
6x=120
X=20
User Kun Szabi
by
5.3k points