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0.07x+(2850-0.15x)=2000
We move all terms to the left:
0.07x+(2850-0.15x)-(2000)=0
We add all the numbers together, and all the variables
0.07x+(-0.15x+2850)-2000=0
We get rid of parentheses
0.07x-0.15x+2850-2000=0
We add all the numbers together, and all the variables
-0.08x+850=0
We move all terms containing x to the left, all other terms to the right
-0.08x=-850
x=-850/-0.08
x=+10625
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