7-x+3x-3-9x=

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


Simplifying
7 + -1x + 3x + -3 + -9x = 0

Reorder the terms:
7 + -3 + -1x + 3x + -9x = 0

Combine like terms: 7 + -3 = 4
4 + -1x + 3x + -9x = 0

Combine like terms: -1x + 3x = 2x
4 + 2x + -9x = 0

Combine like terms: 2x + -9x = -7x
4 + -7x = 0

Solving
4 + -7x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -7x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -7x = 0 + -4
-7x = 0 + -4

Combine like terms: 0 + -4 = -4
-7x = -4

Divide each side by '-7'.
x = 0.5714285714

Simplifying
x = 0.5714285714

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