Question

5=a/2(b+c)

Solve for b

Answer 1

`b = (a - 10c)/(10)`

Explanation:

`\begin{array}{rcl}5 & = & (a)/(2(b + c))\\\\5& = & (a)/(2b + 2c)\\\\10b + 10c & = & a\\10b & = & a - 10 c\\b & = & \mathbf{(a - 10c)/(10)}\\\end{array}`