3x+6(-2x-4)=75

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Solution for 3x+6(-2x-4)=75 equation:


Simplifying
3x + 6(-2x + -4) = 75

Reorder the terms:
3x + 6(-4 + -2x) = 75
3x + (-4 * 6 + -2x * 6) = 75
3x + (-24 + -12x) = 75

Reorder the terms:
-24 + 3x + -12x = 75

Combine like terms: 3x + -12x = -9x
-24 + -9x = 75

Solving
-24 + -9x = 75

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + -9x = 75 + 24

Combine like terms: -24 + 24 = 0
0 + -9x = 75 + 24
-9x = 75 + 24

Combine like terms: 75 + 24 = 99
-9x = 99

Divide each side by '-9'.
x = -11

Simplifying
x = -11

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