2b-(-20)=28

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Solution for 2b-(-20)=28 equation: 


Simplifying
2b + -1(-20) = 28

Multiply -1 * -20
2b + 20 = 28

Reorder the terms:
20 + 2b = 28

Solving
20 + 2b = 28

Solving for variable 'b'.

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

Add '-20' to each side of the equation.
20 + -20 + 2b = 28 + -20

Combine like terms: 20 + -20 = 0
0 + 2b = 28 + -20
2b = 28 + -20

Combine like terms: 28 + -20 = 8
2b = 8

Divide each side by '2'.
b = 4

Simplifying
b = 4

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