3(3+x)=3(3+x)+21

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Solution for 3(3+x)=3(3+x)+21 equation: 


Simplifying
3(3 + x) = 3(3 + x) + 21
(3 * 3 + x * 3) = 3(3 + x) + 21
(9 + 3x) = 3(3 + x) + 21
9 + 3x = (3 * 3 + x * 3) + 21
9 + 3x = (9 + 3x) + 21

Reorder the terms:
9 + 3x = 9 + 21 + 3x

Combine like terms: 9 + 21 = 30
9 + 3x = 30 + 3x

Add '-3x' to each side of the equation.
9 + 3x + -3x = 30 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 0 = 30 + 3x + -3x
9 = 30 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 = 30 + 0
9 = 30

Solving
9 = 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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