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#