331+b-7=

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Solution for 331+b-7= equation: 


Simplifying
331 + b + -7 = 0

Reorder the terms:
331 + -7 + b = 0

Combine like terms: 331 + -7 = 324
324 + b = 0

Solving
324 + b = 0

Solving for variable 'b'.

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

Add '-324' to each side of the equation.
324 + -324 + b = 0 + -324

Combine like terms: 324 + -324 = 0
0 + b = 0 + -324
b = 0 + -324

Combine like terms: 0 + -324 = -324
b = -324

Simplifying
b = -324

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