Answer:
M = [tex]\frac{w+200}{1000}[/tex]
Step-by-step explanation:
Given
w = 1000M - 200 ( isolate 1000M by adding 200 to both sides )
w + 200 = 1000M ( divide both sides by 1000 )
[tex]\frac{w+200}{1000}[/tex] = M
