2b+(7)=-21

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Solution for 2b+(7)=-21 equation: 


Simplifying
2b + (7) = -21
2b + 7 = -21

Reorder the terms:
7 + 2b = -21

Solving
7 + 2b = -21

Solving for variable 'b'.

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

Add '-7' to each side of the equation.
7 + -7 + 2b = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 2b = -21 + -7
2b = -21 + -7

Combine like terms: -21 + -7 = -28
2b = -28

Divide each side by '2'.
b = -14

Simplifying
b = -14

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