4x-9=-x-9

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Solution for 4x-9=-x-9 equation:


Simplifying
4x + -9 = -1x + -9

Reorder the terms:
-9 + 4x = -1x + -9

Reorder the terms:
-9 + 4x = -9 + -1x

Add '9' to each side of the equation.
-9 + 9 + 4x = -9 + 9 + -1x

Combine like terms: -9 + 9 = 0
0 + 4x = -9 + 9 + -1x
4x = -9 + 9 + -1x

Combine like terms: -9 + 9 = 0
4x = 0 + -1x
4x = -1x

Solving
4x = -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
4x + x = -1x + x

Combine like terms: 4x + x = 5x
5x = -1x + x

Combine like terms: -1x + x = 0
5x = 0

Divide each side by '5'.
x = 0

Simplifying
x = 0

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