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x+12x/100=7.50
We move all terms to the left:
x+12x/100-(7.50)=0
We add all the numbers together, and all the variables
x+12x/100-(7.5)=0
We add all the numbers together, and all the variables
x+12x/100-7.5=0
We multiply all the terms by the denominator
x*100+12x-(7.5)*100=0
We add all the numbers together, and all the variables
12x+x*100-750=0
Wy multiply elements
12x+100x-750=0
We add all the numbers together, and all the variables
112x-750=0
We move all terms containing x to the left, all other terms to the right
112x=750
x=750/112
x=6+39/56
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