2x+4x-6=3(x-4)-9

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Solution for 2x+4x-6=3(x-4)-9 equation:


Simplifying
2x + 4x + -6 = 3(x + -4) + -9

Reorder the terms:
-6 + 2x + 4x = 3(x + -4) + -9

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

Reorder the terms:
-6 + 6x = 3(-4 + x) + -9
-6 + 6x = (-4 * 3 + x * 3) + -9
-6 + 6x = (-12 + 3x) + -9

Reorder the terms:
-6 + 6x = -12 + -9 + 3x

Combine like terms: -12 + -9 = -21
-6 + 6x = -21 + 3x

Solving
-6 + 6x = -21 + 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.
-6 + 6x + -3x = -21 + 3x + -3x

Combine like terms: 6x + -3x = 3x
-6 + 3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-6 + 3x = -21 + 0
-6 + 3x = -21

Add '6' to each side of the equation.
-6 + 6 + 3x = -21 + 6

Combine like terms: -6 + 6 = 0
0 + 3x = -21 + 6
3x = -21 + 6

Combine like terms: -21 + 6 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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