30+b=50

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Solution for 30+b=50 equation: 


Simplifying
30 + b = 50

Solving
30 + b = 50

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-30' to each side of the equation.
30 + -30 + b = 50 + -30

Combine like terms: 30 + -30 = 0
0 + b = 50 + -30
b = 50 + -30

Combine like terms: 50 + -30 = 20
b = 20

Simplifying
b = 20

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