What is the value of # m# in the equation #1/2(m) -3/4(n) = 16#, when # n=8#?
1 Answer
May 7, 2018
Explanation:
#"substitute "n=8" into the equation"#
#1/2m-3/cancel(4)^1xxcancel(8)^2=16#
#rArr1/2m-6=16#
#"add 6 to both sides"#
#1/2mcancel(-6)cancel(+6)=16+6#
#rArr1/2m=22#
#"multiply both sides by 2"#
#cancel(2)xx1/cancel(2)m=2xx22#
#rArrm=44#
