4-7x+9=3x+15-9x

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Solution for 4-7x+9=3x+15-9x equation:


Simplifying
4 + -7x + 9 = 3x + 15 + -9x

Reorder the terms:
4 + 9 + -7x = 3x + 15 + -9x

Combine like terms: 4 + 9 = 13
13 + -7x = 3x + 15 + -9x

Reorder the terms:
13 + -7x = 15 + 3x + -9x

Combine like terms: 3x + -9x = -6x
13 + -7x = 15 + -6x

Solving
13 + -7x = 15 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
13 + -7x + 6x = 15 + -6x + 6x

Combine like terms: -7x + 6x = -1x
13 + -1x = 15 + -6x + 6x

Combine like terms: -6x + 6x = 0
13 + -1x = 15 + 0
13 + -1x = 15

Add '-13' to each side of the equation.
13 + -13 + -1x = 15 + -13

Combine like terms: 13 + -13 = 0
0 + -1x = 15 + -13
-1x = 15 + -13

Combine like terms: 15 + -13 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

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