4+9=2*4+b

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Solution for 4+9=2*4+b equation:



4+9=2*4+b
We move all terms to the left:
4+9-(2*4+b)=0
We add all the numbers together, and all the variables
-(b+8)+4+9=0
We add all the numbers together, and all the variables
-(b+8)+13=0
We get rid of parentheses
-b-8+13=0
We add all the numbers together, and all the variables
-1b+5=0
We move all terms containing b to the left, all other terms to the right
-b=-5
b=-5/-1
b=+5

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