20=4b-1

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Solution for 20=4b-1 equation:


Simplifying
20 = 4b + -1

Reorder the terms:
20 = -1 + 4b

Solving
20 = -1 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
20 + -4b = -1 + 4b + -4b

Combine like terms: 4b + -4b = 0
20 + -4b = -1 + 0
20 + -4b = -1

Add '-20' to each side of the equation.
20 + -20 + -4b = -1 + -20

Combine like terms: 20 + -20 = 0
0 + -4b = -1 + -20
-4b = -1 + -20

Combine like terms: -1 + -20 = -21
-4b = -21

Divide each side by '-4'.
b = 5.25

Simplifying
b = 5.25

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