40-2b=50

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Solution for 40-2b=50 equation: 


Simplifying
40 + -2b = 50

Solving
40 + -2b = 50

Solving for variable 'b'.

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

Add '-40' to each side of the equation.
40 + -40 + -2b = 50 + -40

Combine like terms: 40 + -40 = 0
0 + -2b = 50 + -40
-2b = 50 + -40

Combine like terms: 50 + -40 = 10
-2b = 10

Divide each side by '-2'.
b = -5

Simplifying
b = -5

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