3x+9-7x=9

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


Simplifying
3x + 9 + -7x = 9

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

Combine like terms: 3x + -7x = -4x
9 + -4x = 9

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

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

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

Solving
-4x = 0

Solving for variable 'x'.

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

Divide each side by '-4'.
x = 0

Simplifying
x = 0

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