-9=7x+2x-9

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Solution for -9=7x+2x-9 equation:


Simplifying
-9 = 7x + 2x + -9

Reorder the terms:
-9 = -9 + 7x + 2x

Combine like terms: 7x + 2x = 9x
-9 = -9 + 9x

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

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

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

Solving
0 = 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.
0 + -9x = 9x + -9x
Remove the zero:
-9x = 9x + -9x

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

Divide each side by '-9'.
x = 0

Simplifying
x = 0

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