2-2b=-4

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Solution for 2-2b=-4 equation: 


Simplifying
2 + -2b = -4

Solving
2 + -2b = -4

Solving for variable 'b'.

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

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

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

Combine like terms: -4 + -2 = -6
-2b = -6

Divide each side by '-2'.
b = 3

Simplifying
b = 3

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