3x-9=3(x-7)

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Solution for 3x-9=3(x-7) equation:


Simplifying
3x + -9 = 3(x + -7)

Reorder the terms:
-9 + 3x = 3(x + -7)

Reorder the terms:
-9 + 3x = 3(-7 + x)
-9 + 3x = (-7 * 3 + x * 3)
-9 + 3x = (-21 + 3x)

Add '-3x' to each side of the equation.
-9 + 3x + -3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 + 0 = -21 + 3x + -3x
-9 = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9 = -21 + 0
-9 = -21

Solving
-9 = -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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