-4+b=b+2(b-1)

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Solution for -4+b=b+2(b-1) equation:


Simplifying
-4 + b = b + 2(b + -1)

Reorder the terms:
-4 + b = b + 2(-1 + b)
-4 + b = b + (-1 * 2 + b * 2)
-4 + b = b + (-2 + 2b)

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

Combine like terms: b + 2b = 3b
-4 + b = -2 + 3b

Solving
-4 + b = -2 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-4 + b + -3b = -2 + 3b + -3b

Combine like terms: b + -3b = -2b
-4 + -2b = -2 + 3b + -3b

Combine like terms: 3b + -3b = 0
-4 + -2b = -2 + 0
-4 + -2b = -2

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

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

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

Divide each side by '-2'.
b = -1

Simplifying
b = -1

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