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7.5=250000+3.5x
We move all terms to the left:
7.5-(250000+3.5x)=0
We add all the numbers together, and all the variables
-(3.5x+250000)+7.5=0
We get rid of parentheses
-3.5x-250000+7.5=0
We add all the numbers together, and all the variables
-3.5x-249992.5=0
We move all terms containing x to the left, all other terms to the right
-3.5x=249992.5
x=249992.5/-3.5
x=-71426+1/2.33333333333
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