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0.06x+0.3(6000-x)=219
We move all terms to the left:
0.06x+0.3(6000-x)-(219)=0
We add all the numbers together, and all the variables
0.06x+0.3(-1x+6000)-219=0
We multiply parentheses
0.06x-0.3x+1800-219=0
We add all the numbers together, and all the variables
-0.24x+1581=0
We move all terms containing x to the left, all other terms to the right
-0.24x=-1581
x=-1581/-0.24
x=6587+0.12/0.24
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