-3b+6=20

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Solution for -3b+6=20 equation: 


Simplifying
-3b + 6 = 20

Reorder the terms:
6 + -3b = 20

Solving
6 + -3b = 20

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + -3b = 20 + -6

Combine like terms: 6 + -6 = 0
0 + -3b = 20 + -6
-3b = 20 + -6

Combine like terms: 20 + -6 = 14
-3b = 14

Divide each side by '-3'.
b = -4.666666667

Simplifying
b = -4.666666667

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