3(x-7)=-21+3x

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Solution for 3(x-7)=-21+3x equation:


Simplifying
3(x + -7) = -21 + 3x

Reorder the terms:
3(-7 + x) = -21 + 3x
(-7 * 3 + x * 3) = -21 + 3x
(-21 + 3x) = -21 + 3x

Add '21' to each side of the equation.
-21 + 21 + 3x = -21 + 21 + 3x

Combine like terms: -21 + 21 = 0
0 + 3x = -21 + 21 + 3x
3x = -21 + 21 + 3x

Combine like terms: -21 + 21 = 0
3x = 0 + 3x
3x = 3x

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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