20/120*x=21

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Solution for 20/120*x=21 equation:



20/120x=21
We move all terms to the left:
20/120x-(21)=0
Domain of the equation: 120x!=0
x!=0/120
x!=0
x∈R
We multiply all the terms by the denominator
-21*120x+20=0
Wy multiply elements
-2520x+20=0
We move all terms containing x to the left, all other terms to the right
-2520x=-20
x=-20/-2520
x=1/126

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