How to solve the equation of 75% X-150 + (75% X-150) 60% = x I

75%X-150+(75%X-150)60%=X
0.75x-150+(0.75x-150)*0.6=x
0.75x-150+0.45x-90=x
1.2x-x=240
0.2x=240
x=1200

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