30-2b=50

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Solution for 30-2b=50 equation: 


Simplifying
30 + -2b = 50

Solving
30 + -2b = 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 + -2b = 50 + -30

Combine like terms: 30 + -30 = 0
0 + -2b = 50 + -30
-2b = 50 + -30

Combine like terms: 50 + -30 = 20
-2b = 20

Divide each side by '-2'.
b = -10

Simplifying
b = -10

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