-2b=-4b+20

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Solution for -2b=-4b+20 equation: 


Simplifying
-2b = -4b + 20

Reorder the terms:
-2b = 20 + -4b

Solving
-2b = 20 + -4b

Solving for variable 'b'.

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

Add '4b' to each side of the equation.
-2b + 4b = 20 + -4b + 4b

Combine like terms: -2b + 4b = 2b
2b = 20 + -4b + 4b

Combine like terms: -4b + 4b = 0
2b = 20 + 0
2b = 20

Divide each side by '2'.
b = 10

Simplifying
b = 10

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