13-3x=7x+9-9x

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Solution for 13-3x=7x+9-9x equation:


Simplifying
13 + -3x = 7x + 9 + -9x

Reorder the terms:
13 + -3x = 9 + 7x + -9x

Combine like terms: 7x + -9x = -2x
13 + -3x = 9 + -2x

Solving
13 + -3x = 9 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
13 + -3x + 2x = 9 + -2x + 2x

Combine like terms: -3x + 2x = -1x
13 + -1x = 9 + -2x + 2x

Combine like terms: -2x + 2x = 0
13 + -1x = 9 + 0
13 + -1x = 9

Add '-13' to each side of the equation.
13 + -13 + -1x = 9 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = 9 + -13
-1x = 9 + -13

Combine like terms: 9 + -13 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4

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