solve the following math problem but please list step by ste

solve the following math problem, but please list step by step im having a hard time doing this and seeing where the 75 comes from

0.0085x-0.0015(50,000-x)= 0

Solution

Sol)

GIven

0.0085x-0.0015(50,000-x)= 0

0.0085x - 0.0015*50000 - 0.0015x =0

(0.0085-0.0015)*x - 0.0015*50000 =0

0.007x - 75 =0

0.007x = 75

x =75 / 0.007

x= 10714.286