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5x+x/5=2100
We move all terms to the left:
5x+x/5-(2100)=0
We multiply all the terms by the denominator
5x*5+x-2100*5=0
We add all the numbers together, and all the variables
x+5x*5-10500=0
Wy multiply elements
x+25x-10500=0
We add all the numbers together, and all the variables
26x-10500=0
We move all terms containing x to the left, all other terms to the right
26x=10500
x=10500/26
x=403+11/13
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