What is the value of s in the equation 3r=10+5s when r =10 ?

1 Answer
Mar 19, 2018

s = 4

Explanation:

3r = 10 + 5s
" "
Substitute the value of r= 10
" "
rArr 3 xx 10 = 10 + 5s
" "
rArr 30 = 10 + 5s
" "
rArr 30 -10 = 5s
" "
rArr 20= 5s
" "
rArr 20/5 = s
" "
therefore s = 4" " when " " r= 10