5b+4=9b+12

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Solution for 5b+4=9b+12 equation:


Simplifying
5b + 4 = 9b + 12

Reorder the terms:
4 + 5b = 9b + 12

Reorder the terms:
4 + 5b = 12 + 9b

Solving
4 + 5b = 12 + 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.
4 + 5b + -9b = 12 + 9b + -9b

Combine like terms: 5b + -9b = -4b
4 + -4b = 12 + 9b + -9b

Combine like terms: 9b + -9b = 0
4 + -4b = 12 + 0
4 + -4b = 12

Add '-4' to each side of the equation.
4 + -4 + -4b = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -4b = 12 + -4
-4b = 12 + -4

Combine like terms: 12 + -4 = 8
-4b = 8

Divide each side by '-4'.
b = -2

Simplifying
b = -2

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