5x+20-x=7(3+x)-3x

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Solution for 5x+20-x=7(3+x)-3x equation: 


Simplifying
5x + 20 + -1x = 7(3 + x) + -3x

Reorder the terms:
20 + 5x + -1x = 7(3 + x) + -3x

Combine like terms: 5x + -1x = 4x
20 + 4x = 7(3 + x) + -3x
20 + 4x = (3 * 7 + x * 7) + -3x
20 + 4x = (21 + 7x) + -3x

Combine like terms: 7x + -3x = 4x
20 + 4x = 21 + 4x

Add '-4x' to each side of the equation.
20 + 4x + -4x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 0 = 21 + 4x + -4x
20 = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 = 21 + 0
20 = 21

Solving
20 = 21

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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