25=40-3b

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Solution for 25=40-3b equation:



25=40-3b
We move all terms to the left:
25-(40-3b)=0
We add all the numbers together, and all the variables
-(-3b+40)+25=0
We get rid of parentheses
3b-40+25=0
We add all the numbers together, and all the variables
3b-15=0
We move all terms containing b to the left, all other terms to the right
3b=15
b=15/3
b=5

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