-6(3b-3)+3=21-3b

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


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

Reorder the terms:
-6(-3 + 3b) + 3 = 21 + -3b
(-3 * -6 + 3b * -6) + 3 = 21 + -3b
(18 + -18b) + 3 = 21 + -3b

Reorder the terms:
18 + 3 + -18b = 21 + -3b

Combine like terms: 18 + 3 = 21
21 + -18b = 21 + -3b

Add '-21' to each side of the equation.
21 + -21 + -18b = 21 + -21 + -3b

Combine like terms: 21 + -21 = 0
0 + -18b = 21 + -21 + -3b
-18b = 21 + -21 + -3b

Combine like terms: 21 + -21 = 0
-18b = 0 + -3b
-18b = -3b

Solving
-18b = -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.
-18b + 3b = -3b + 3b

Combine like terms: -18b + 3b = -15b
-15b = -3b + 3b

Combine like terms: -3b + 3b = 0
-15b = 0

Divide each side by '-15'.
b = 0

Simplifying
b = 0

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