4(-b+9)=

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Solution for 4(-b+9)= equation: 


Simplifying
4(-1b + 9) = 0

Reorder the terms:
4(9 + -1b) = 0
(9 * 4 + -1b * 4) = 0
(36 + -4b) = 0

Solving
36 + -4b = 0

Solving for variable 'b'.

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

Add '-36' to each side of the equation.
36 + -36 + -4b = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -4b = 0 + -36
-4b = 0 + -36

Combine like terms: 0 + -36 = -36
-4b = -36

Divide each side by '-4'.
b = 9

Simplifying
b = 9

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