4b-3=9b+9

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Solution for 4b-3=9b+9 equation:


Simplifying
4b + -3 = 9b + 9

Reorder the terms:
-3 + 4b = 9b + 9

Reorder the terms:
-3 + 4b = 9 + 9b

Solving
-3 + 4b = 9 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
-3 + 4b + -9b = 9 + 9b + -9b

Combine like terms: 4b + -9b = -5b
-3 + -5b = 9 + 9b + -9b

Combine like terms: 9b + -9b = 0
-3 + -5b = 9 + 0
-3 + -5b = 9

Add '3' to each side of the equation.
-3 + 3 + -5b = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -5b = 9 + 3
-5b = 9 + 3

Combine like terms: 9 + 3 = 12
-5b = 12

Divide each side by '-5'.
b = -2.4

Simplifying
b = -2.4

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