21-6b=-3-6(8b-4)

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Solution for 21-6b=-3-6(8b-4) equation:


Simplifying
21 + -6b = -3 + -6(8b + -4)

Reorder the terms:
21 + -6b = -3 + -6(-4 + 8b)
21 + -6b = -3 + (-4 * -6 + 8b * -6)
21 + -6b = -3 + (24 + -48b)

Combine like terms: -3 + 24 = 21
21 + -6b = 21 + -48b

Add '-21' to each side of the equation.
21 + -21 + -6b = 21 + -21 + -48b

Combine like terms: 21 + -21 = 0
0 + -6b = 21 + -21 + -48b
-6b = 21 + -21 + -48b

Combine like terms: 21 + -21 = 0
-6b = 0 + -48b
-6b = -48b

Solving
-6b = -48b

Solving for variable 'b'.

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

Add '48b' to each side of the equation.
-6b + 48b = -48b + 48b

Combine like terms: -6b + 48b = 42b
42b = -48b + 48b

Combine like terms: -48b + 48b = 0
42b = 0

Divide each side by '42'.
b = 0

Simplifying
b = 0

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