391=8b+7

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Solution for 391=8b+7 equation:


Simplifying
391 = 8b + 7

Reorder the terms:
391 = 7 + 8b

Solving
391 = 7 + 8b

Solving for variable 'b'.

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

Add '-8b' to each side of the equation.
391 + -8b = 7 + 8b + -8b

Combine like terms: 8b + -8b = 0
391 + -8b = 7 + 0
391 + -8b = 7

Add '-391' to each side of the equation.
391 + -391 + -8b = 7 + -391

Combine like terms: 391 + -391 = 0
0 + -8b = 7 + -391
-8b = 7 + -391

Combine like terms: 7 + -391 = -384
-8b = -384

Divide each side by '-8'.
b = 48

Simplifying
b = 48

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