321=7b-5

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Solution for 321=7b-5 equation:


Simplifying
321 = 7b + -5

Reorder the terms:
321 = -5 + 7b

Solving
321 = -5 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
321 + -7b = -5 + 7b + -7b

Combine like terms: 7b + -7b = 0
321 + -7b = -5 + 0
321 + -7b = -5

Add '-321' to each side of the equation.
321 + -321 + -7b = -5 + -321

Combine like terms: 321 + -321 = 0
0 + -7b = -5 + -321
-7b = -5 + -321

Combine like terms: -5 + -321 = -326
-7b = -326

Divide each side by '-7'.
b = 46.57142857

Simplifying
b = 46.57142857

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