2[9-3(-2x-4)]=6(2x+7)

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Solution for 2[9-3(-2x-4)]=6(2x+7) equation:


Simplifying
2[9 + -3(-2x + -4)] = 6(2x + 7)

Reorder the terms:
2[9 + -3(-4 + -2x)] = 6(2x + 7)
2[9 + (-4 * -3 + -2x * -3)] = 6(2x + 7)
2[9 + (12 + 6x)] = 6(2x + 7)

Combine like terms: 9 + 12 = 21
2[21 + 6x] = 6(2x + 7)
[21 * 2 + 6x * 2] = 6(2x + 7)
[42 + 12x] = 6(2x + 7)

Reorder the terms:
42 + 12x = 6(7 + 2x)
42 + 12x = (7 * 6 + 2x * 6)
42 + 12x = (42 + 12x)

Add '-42' to each side of the equation.
42 + -42 + 12x = 42 + -42 + 12x

Combine like terms: 42 + -42 = 0
0 + 12x = 42 + -42 + 12x
12x = 42 + -42 + 12x

Combine like terms: 42 + -42 = 0
12x = 0 + 12x
12x = 12x

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

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

Combine like terms: 12x + -12x = 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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