40.8k views
3 votes
What is the value of s?



0.7(3s+4)−1.1s=7.9

User Ypx
by
8.2k points

1 Answer

2 votes
Before isolating s we need to simplify the equation using order of operations.
.7(3s+4)-1.1s = 7.9 -------> First distribute the .7
2.1s + 2.8 - 1.1s = 7.9 ------> Now combine like terms
s + 2.8 = 7.9 ------> Now to isolate s by subtracting 2.8 from both sides!

s = 7.9 - 2.8
s = 5.1
User Harism
by
8.0k points

Related questions

2 answers
3 votes
187k views
asked May 12, 2018 19.6k views
Ohspite asked May 12, 2018
by Ohspite
7.6k points
2 answers
2 votes
19.6k views
asked Jan 26, 2018 222k views
RavinderReddy Seelam asked Jan 26, 2018
by RavinderReddy Seelam
7.9k points
2 answers
4 votes
222k views