9b-3=8b-20

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Solution for 9b-3=8b-20 equation:


Simplifying
9b + -3 = 8b + -20

Reorder the terms:
-3 + 9b = 8b + -20

Reorder the terms:
-3 + 9b = -20 + 8b

Solving
-3 + 9b = -20 + 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.
-3 + 9b + -8b = -20 + 8b + -8b

Combine like terms: 9b + -8b = 1b
-3 + 1b = -20 + 8b + -8b

Combine like terms: 8b + -8b = 0
-3 + 1b = -20 + 0
-3 + 1b = -20

Add '3' to each side of the equation.
-3 + 3 + 1b = -20 + 3

Combine like terms: -3 + 3 = 0
0 + 1b = -20 + 3
1b = -20 + 3

Combine like terms: -20 + 3 = -17
1b = -17

Divide each side by '1'.
b = -17

Simplifying
b = -17

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