B-(1-2B)+(B-3)=-4

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Solution for B-(1-2B)+(B-3)=-4 equation:


Simplifying
B + -1(1 + -2B) + (B + -3) = -4
B + (1 * -1 + -2B * -1) + (B + -3) = -4
B + (-1 + 2B) + (B + -3) = -4

Reorder the terms:
B + -1 + 2B + (-3 + B) = -4

Remove parenthesis around (-3 + B)
B + -1 + 2B + -3 + B = -4

Reorder the terms:
-1 + -3 + B + 2B + B = -4

Combine like terms: -1 + -3 = -4
-4 + B + 2B + B = -4

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

Combine like terms: 3B + B = 4B
-4 + 4B = -4

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

Combine like terms: -4 + 4 = 0
0 + 4B = -4 + 4
4B = -4 + 4

Combine like terms: -4 + 4 = 0
4B = 0

Solving
4B = 0

Solving for variable 'B'.

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

Divide each side by '4'.
B = 0

Simplifying
B = 0

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