-4-9b=-8b

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Solution for -4-9b=-8b equation:


Simplifying
-4 + -9b = -8b

Solving
-4 + -9b = -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
-4 + -9b + 8b = -8b + 8b

Combine like terms: -9b + 8b = -1b
-4 + -1b = -8b + 8b

Combine like terms: -8b + 8b = 0
-4 + -1b = 0

Add '4' to each side of the equation.
-4 + 4 + -1b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1b = 0 + 4
-1b = 0 + 4

Combine like terms: 0 + 4 = 4
-1b = 4

Divide each side by '-1'.
b = -4

Simplifying
b = -4

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