12+9-4x-4=3x-7x+30

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Solution for 12+9-4x-4=3x-7x+30 equation:


Simplifying
12 + 9 + -4x + -4 = 3x + -7x + 30

Reorder the terms:
12 + 9 + -4 + -4x = 3x + -7x + 30

Combine like terms: 12 + 9 = 21
21 + -4 + -4x = 3x + -7x + 30

Combine like terms: 21 + -4 = 17
17 + -4x = 3x + -7x + 30

Reorder the terms:
17 + -4x = 30 + 3x + -7x

Combine like terms: 3x + -7x = -4x
17 + -4x = 30 + -4x

Add '4x' to each side of the equation.
17 + -4x + 4x = 30 + -4x + 4x

Combine like terms: -4x + 4x = 0
17 + 0 = 30 + -4x + 4x
17 = 30 + -4x + 4x

Combine like terms: -4x + 4x = 0
17 = 30 + 0
17 = 30

Solving
17 = 30

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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