9/10*20=x

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Solution for 9/10*20=x equation:



9/10*20=x
We move all terms to the left:
9/10*20-(x)=0
We add all the numbers together, and all the variables
-1x+9/10*20=0
We multiply all the terms by the denominator
-1x*10*20+9=0
Wy multiply elements
-200x*2+9=0
Wy multiply elements
-400x+9=0
We move all terms containing x to the left, all other terms to the right
-400x=-9
x=-9/-400
x=9/400

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