71=20+3b

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Solution for 71=20+3b equation:


Simplifying
71 = 20 + 3b

Solving
71 = 20 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
71 + -3b = 20 + 3b + -3b

Combine like terms: 3b + -3b = 0
71 + -3b = 20 + 0
71 + -3b = 20

Add '-71' to each side of the equation.
71 + -71 + -3b = 20 + -71

Combine like terms: 71 + -71 = 0
0 + -3b = 20 + -71
-3b = 20 + -71

Combine like terms: 20 + -71 = -51
-3b = -51

Divide each side by '-3'.
b = 17

Simplifying
b = 17

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