3x+7=9x+7

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Solution for 3x+7=9x+7 equation:


Simplifying
3x + 7 = 9x + 7

Reorder the terms:
7 + 3x = 9x + 7

Reorder the terms:
7 + 3x = 7 + 9x

Add '-7' to each side of the equation.
7 + -7 + 3x = 7 + -7 + 9x

Combine like terms: 7 + -7 = 0
0 + 3x = 7 + -7 + 9x
3x = 7 + -7 + 9x

Combine like terms: 7 + -7 = 0
3x = 0 + 9x
3x = 9x

Solving
3x = 9x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

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

Combine like terms: 3x + -9x = -6x
-6x = 9x + -9x

Combine like terms: 9x + -9x = 0
-6x = 0

Divide each side by '-6'.
x = 0

Simplifying
x = 0

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