7x-9-9x=8x+4x

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Solution for 7x-9-9x=8x+4x equation:


Simplifying
7x + -9 + -9x = 8x + 4x

Reorder the terms:
-9 + 7x + -9x = 8x + 4x

Combine like terms: 7x + -9x = -2x
-9 + -2x = 8x + 4x

Combine like terms: 8x + 4x = 12x
-9 + -2x = 12x

Solving
-9 + -2x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-9 + -2x + -12x = 12x + -12x

Combine like terms: -2x + -12x = -14x
-9 + -14x = 12x + -12x

Combine like terms: 12x + -12x = 0
-9 + -14x = 0

Add '9' to each side of the equation.
-9 + 9 + -14x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -14x = 0 + 9
-14x = 0 + 9

Combine like terms: 0 + 9 = 9
-14x = 9

Divide each side by '-14'.
x = -0.6428571429

Simplifying
x = -0.6428571429

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