Question 649151
5 = {{{1/4}}12b + {{{1/4}}}8
...
5 = {{{(1/cross(4))(3cross(12)b) + (1/cross(4))(2cross(8))}}}
...
5 = 3b + 2
...
Isolate b
5-2 = 3b
3 = 3b
...
Divide both sides by 3
{{{highlight_green(b = 1)}}}
.....................
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com
Wanting for others what we want for ourselves.