3(-4x+5)+6=-9

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Solution for 3(-4x+5)+6=-9 equation:


Simplifying
3(-4x + 5) + 6 = -9

Reorder the terms:
3(5 + -4x) + 6 = -9
(5 * 3 + -4x * 3) + 6 = -9
(15 + -12x) + 6 = -9

Reorder the terms:
15 + 6 + -12x = -9

Combine like terms: 15 + 6 = 21
21 + -12x = -9

Solving
21 + -12x = -9

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -12x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = -9 + -21
-12x = -9 + -21

Combine like terms: -9 + -21 = -30
-12x = -30

Divide each side by '-12'.
x = 2.5

Simplifying
x = 2.5

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