420=7/6-b

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Solution for 420=7/6-b equation:



420=7/6-b
We move all terms to the left:
420-(7/6-b)=0
Domain of the equation: 6-b)!=0
We move all terms containing b to the left, all other terms to the right
-b)!=-6
b!=-6/1
b!=-6
b∈R
We add all the numbers together, and all the variables
-(-1b+7/6)+420=0
We get rid of parentheses
1b+420-7/6=0
We multiply all the terms by the denominator
1b*6-7+420*6=0
We add all the numbers together, and all the variables
1b*6+2513=0
Wy multiply elements
6b+2513=0
We move all terms containing b to the left, all other terms to the right
6b=-2513
b=-2513/6
b=-418+5/6

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