3(-4x-1)-(8x+9)=

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Solution for 3(-4x-1)-(8x+9)= equation:


Simplifying
3(-4x + -1) + -1(8x + 9) = 0

Reorder the terms:
3(-1 + -4x) + -1(8x + 9) = 0
(-1 * 3 + -4x * 3) + -1(8x + 9) = 0
(-3 + -12x) + -1(8x + 9) = 0

Reorder the terms:
-3 + -12x + -1(9 + 8x) = 0
-3 + -12x + (9 * -1 + 8x * -1) = 0
-3 + -12x + (-9 + -8x) = 0

Reorder the terms:
-3 + -9 + -12x + -8x = 0

Combine like terms: -3 + -9 = -12
-12 + -12x + -8x = 0

Combine like terms: -12x + -8x = -20x
-12 + -20x = 0

Solving
-12 + -20x = 0

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + -20x = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -20x = 0 + 12
-20x = 0 + 12

Combine like terms: 0 + 12 = 12
-20x = 12

Divide each side by '-20'.
x = -0.6

Simplifying
x = -0.6

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