9-2b=4b-9

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Solution for 9-2b=4b-9 equation:


Simplifying
9 + -2b = 4b + -9

Reorder the terms:
9 + -2b = -9 + 4b

Solving
9 + -2b = -9 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
9 + -2b + -4b = -9 + 4b + -4b

Combine like terms: -2b + -4b = -6b
9 + -6b = -9 + 4b + -4b

Combine like terms: 4b + -4b = 0
9 + -6b = -9 + 0
9 + -6b = -9

Add '-9' to each side of the equation.
9 + -9 + -6b = -9 + -9

Combine like terms: 9 + -9 = 0
0 + -6b = -9 + -9
-6b = -9 + -9

Combine like terms: -9 + -9 = -18
-6b = -18

Divide each side by '-6'.
b = 3

Simplifying
b = 3

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