9b+40=13b

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Solution for 9b+40=13b equation:


Simplifying
9b + 40 = 13b

Reorder the terms:
40 + 9b = 13b

Solving
40 + 9b = 13b

Solving for variable 'b'.

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

Add '-13b' to each side of the equation.
40 + 9b + -13b = 13b + -13b

Combine like terms: 9b + -13b = -4b
40 + -4b = 13b + -13b

Combine like terms: 13b + -13b = 0
40 + -4b = 0

Add '-40' to each side of the equation.
40 + -40 + -4b = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -4b = 0 + -40
-4b = 0 + -40

Combine like terms: 0 + -40 = -40
-4b = -40

Divide each side by '-4'.
b = 10

Simplifying
b = 10

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