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2(300-2x)=250
We move all terms to the left:
2(300-2x)-(250)=0
We add all the numbers together, and all the variables
2(-2x+300)-250=0
We multiply parentheses
-4x+600-250=0
We add all the numbers together, and all the variables
-4x+350=0
We move all terms containing x to the left, all other terms to the right
-4x=-350
x=-350/-4
x=87+1/2
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