(6x-9)-(-6x+-4)=-80

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Solution for (6x-9)-(-6x+-4)=-80 equation:


Simplifying
(6x + -9) + -1(-6x + -4) = -80

Reorder the terms:
(-9 + 6x) + -1(-6x + -4) = -80

Remove parenthesis around (-9 + 6x)
-9 + 6x + -1(-6x + -4) = -80

Reorder the terms:
-9 + 6x + -1(-4 + -6x) = -80
-9 + 6x + (-4 * -1 + -6x * -1) = -80
-9 + 6x + (4 + 6x) = -80

Reorder the terms:
-9 + 4 + 6x + 6x = -80

Combine like terms: -9 + 4 = -5
-5 + 6x + 6x = -80

Combine like terms: 6x + 6x = 12x
-5 + 12x = -80

Solving
-5 + 12x = -80

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 12x = -80 + 5

Combine like terms: -5 + 5 = 0
0 + 12x = -80 + 5
12x = -80 + 5

Combine like terms: -80 + 5 = -75
12x = -75

Divide each side by '12'.
x = -6.25

Simplifying
x = -6.25

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