4b(2)-81=0

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Solution for 4b(2)-81=0 equation:


Simplifying
4b(2) + -81 = 0

Reorder the terms for easier multiplication:
4 * 2b + -81 = 0

Multiply 4 * 2
8b + -81 = 0

Reorder the terms:
-81 + 8b = 0

Solving
-81 + 8b = 0

Solving for variable 'b'.

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

Add '81' to each side of the equation.
-81 + 81 + 8b = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 8b = 0 + 81
8b = 0 + 81

Combine like terms: 0 + 81 = 81
8b = 81

Divide each side by '8'.
b = 10.125

Simplifying
b = 10.125

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