Solving formula for specified variable

Question

Solve the following formula for the specified variable.

C=1⁄2 m(s + b) for s (simplify the answer)

Answer 1

C= (1/2)m(s+b) solve for s

multiply by 2

2C = m(s+b)

divide by m

2C/m = s+b

subtract b

2C/m -b = s

switch sides

s =(2C/m) -b