4b-4=5b-8

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Solution for 4b-4=5b-8 equation:


Simplifying
4b + -4 = 5b + -8

Reorder the terms:
-4 + 4b = 5b + -8

Reorder the terms:
-4 + 4b = -8 + 5b

Solving
-4 + 4b = -8 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
-4 + 4b + -5b = -8 + 5b + -5b

Combine like terms: 4b + -5b = -1b
-4 + -1b = -8 + 5b + -5b

Combine like terms: 5b + -5b = 0
-4 + -1b = -8 + 0
-4 + -1b = -8

Add '4' to each side of the equation.
-4 + 4 + -1b = -8 + 4

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

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

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

Simplifying
b = 4

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