141k views
4 votes
R + 4.6 + 9 = 3r - 11.7 - 7r

User CocaCola
by
8.1k points

1 Answer

3 votes
r+4.6+9=3r-11.7-7r

combine all like terms on one side of the equal sign

r+4.6-4.6+9=3r-11.7-7r-4.6
r+9-9=3r-11.7-7r-4.6-9
r-3r=3r-3r-11.7-7r-4.6-9
r-3r+7r=-11.7-4.6-9-7r+7r
r-3r+7r=-11.7-4.6-9

add them all into one term on each:

5r=-25.3

divide by 5 on both sides:

r= -5.06
User Hitesh Savaliya
by
7.8k points

Related questions

asked May 18, 2024 83.4k views
Jon Martin Solaas asked May 18, 2024
by Jon Martin Solaas
7.9k points
1 answer
4 votes
83.4k views
asked Mar 13, 2024 96.0k views
DanRedux asked Mar 13, 2024
by DanRedux
8.4k points
2 answers
2 votes
96.0k views