3b+7=-20

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Solution for 3b+7=-20 equation: 


Simplifying
3b + 7 = -20

Reorder the terms:
7 + 3b = -20

Solving
7 + 3b = -20

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 + 3b = -20 + -7

Combine like terms: 7 + -7 = 0
0 + 3b = -20 + -7
3b = -20 + -7

Combine like terms: -20 + -7 = -27
3b = -27

Divide each side by '3'.
b = -9

Simplifying
b = -9

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