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(210+2b)/45=b
We move all terms to the left:
(210+2b)/45-(b)=0
We add all the numbers together, and all the variables
(2b+210)/45-b=0
We add all the numbers together, and all the variables
-1b+(2b+210)/45=0
We multiply all the terms by the denominator
-1b*45+(2b+210)=0
Wy multiply elements
-45b+(2b+210)=0
We get rid of parentheses
-45b+2b+210=0
We add all the numbers together, and all the variables
-43b+210=0
We move all terms containing b to the left, all other terms to the right
-43b=-210
b=-210/-43
b=4+38/43
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