3(6-x)-30=21x-4(3+6x)

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Solution for 3(6-x)-30=21x-4(3+6x) equation:


Simplifying
3(6 + -1x) + -30 = 21x + -4(3 + 6x)
(6 * 3 + -1x * 3) + -30 = 21x + -4(3 + 6x)
(18 + -3x) + -30 = 21x + -4(3 + 6x)

Reorder the terms:
18 + -30 + -3x = 21x + -4(3 + 6x)

Combine like terms: 18 + -30 = -12
-12 + -3x = 21x + -4(3 + 6x)
-12 + -3x = 21x + (3 * -4 + 6x * -4)
-12 + -3x = 21x + (-12 + -24x)

Reorder the terms:
-12 + -3x = -12 + 21x + -24x

Combine like terms: 21x + -24x = -3x
-12 + -3x = -12 + -3x

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

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

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

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

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

Combine like terms: -3x + 3x = 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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