4-9b=-77

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Solution for 4-9b=-77 equation: 


Simplifying
4 + -9b = -77

Solving
4 + -9b = -77

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + -9b = -77 + -4

Combine like terms: 4 + -4 = 0
0 + -9b = -77 + -4
-9b = -77 + -4

Combine like terms: -77 + -4 = -81
-9b = -81

Divide each side by '-9'.
b = 9

Simplifying
b = 9

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