2x+4-9x=20-7x

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Solution for 2x+4-9x=20-7x equation:


Simplifying
2x + 4 + -9x = 20 + -7x

Reorder the terms:
4 + 2x + -9x = 20 + -7x

Combine like terms: 2x + -9x = -7x
4 + -7x = 20 + -7x

Add '7x' to each side of the equation.
4 + -7x + 7x = 20 + -7x + 7x

Combine like terms: -7x + 7x = 0
4 + 0 = 20 + -7x + 7x
4 = 20 + -7x + 7x

Combine like terms: -7x + 7x = 0
4 = 20 + 0
4 = 20

Solving
4 = 20

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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