4x+9=x+3(4+x)

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Solution for 4x+9=x+3(4+x) equation:


Simplifying
4x + 9 = x + 3(4 + x)

Reorder the terms:
9 + 4x = x + 3(4 + x)
9 + 4x = x + (4 * 3 + x * 3)
9 + 4x = x + (12 + 3x)

Reorder the terms:
9 + 4x = 12 + x + 3x

Combine like terms: x + 3x = 4x
9 + 4x = 12 + 4x

Add '-4x' to each side of the equation.
9 + 4x + -4x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 0 = 12 + 4x + -4x
9 = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 = 12 + 0
9 = 12

Solving
9 = 12

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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