b+4=2b-4

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Solution for b+4=2b-4 equation:


Simplifying
b + 4 = 2b + -4

Reorder the terms:
4 + b = 2b + -4

Reorder the terms:
4 + b = -4 + 2b

Solving
4 + b = -4 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
4 + b + -2b = -4 + 2b + -2b

Combine like terms: b + -2b = -1b
4 + -1b = -4 + 2b + -2b

Combine like terms: 2b + -2b = 0
4 + -1b = -4 + 0
4 + -1b = -4

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

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

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

Divide each side by '-1'.
b = 8

Simplifying
b = 8

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