3(3-b)-21=27b-6(2+5b)

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Solution for 3(3-b)-21=27b-6(2+5b) equation:


Simplifying
3(3 + -1b) + -21 = 27b + -6(2 + 5b)
(3 * 3 + -1b * 3) + -21 = 27b + -6(2 + 5b)
(9 + -3b) + -21 = 27b + -6(2 + 5b)

Reorder the terms:
9 + -21 + -3b = 27b + -6(2 + 5b)

Combine like terms: 9 + -21 = -12
-12 + -3b = 27b + -6(2 + 5b)
-12 + -3b = 27b + (2 * -6 + 5b * -6)
-12 + -3b = 27b + (-12 + -30b)

Reorder the terms:
-12 + -3b = -12 + 27b + -30b

Combine like terms: 27b + -30b = -3b
-12 + -3b = -12 + -3b

Add '12' to each side of the equation.
-12 + 12 + -3b = -12 + 12 + -3b

Combine like terms: -12 + 12 = 0
0 + -3b = -12 + 12 + -3b
-3b = -12 + 12 + -3b

Combine like terms: -12 + 12 = 0
-3b = 0 + -3b
-3b = -3b

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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