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900-15x=1.200
We move all terms to the left:
900-15x-(1.200)=0
We add all the numbers together, and all the variables
-15x+900-(1.2)=0
We add all the numbers together, and all the variables
-15x+898.8=0
We move all terms containing x to the left, all other terms to the right
-15x=-898.8
x=-898.8/-15
x=59+7.6666666666668/8.3333333333335
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