6x+9-4x=3x+15

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Solution for 6x+9-4x=3x+15 equation:


Simplifying
6x + 9 + -4x = 3x + 15

Reorder the terms:
9 + 6x + -4x = 3x + 15

Combine like terms: 6x + -4x = 2x
9 + 2x = 3x + 15

Reorder the terms:
9 + 2x = 15 + 3x

Solving
9 + 2x = 15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 2x + -3x = 15 + 3x + -3x

Combine like terms: 2x + -3x = -1x
9 + -1x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + -1x = 15 + 0
9 + -1x = 15

Add '-9' to each side of the equation.
9 + -9 + -1x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 15 + -9
-1x = 15 + -9

Combine like terms: 15 + -9 = 6
-1x = 6

Divide each side by '-1'.
x = -6

Simplifying
x = -6

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