13b-9=4b-63

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Solution for 13b-9=4b-63 equation:


Simplifying
13b + -9 = 4b + -63

Reorder the terms:
-9 + 13b = 4b + -63

Reorder the terms:
-9 + 13b = -63 + 4b

Solving
-9 + 13b = -63 + 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 + 13b + -4b = -63 + 4b + -4b

Combine like terms: 13b + -4b = 9b
-9 + 9b = -63 + 4b + -4b

Combine like terms: 4b + -4b = 0
-9 + 9b = -63 + 0
-9 + 9b = -63

Add '9' to each side of the equation.
-9 + 9 + 9b = -63 + 9

Combine like terms: -9 + 9 = 0
0 + 9b = -63 + 9
9b = -63 + 9

Combine like terms: -63 + 9 = -54
9b = -54

Divide each side by '9'.
b = -6

Simplifying
b = -6

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