-3(X+4)=3x+9+X

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


Simplifying
-3(X + 4) = 3x + 9 + X

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

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

Solving
-12 + -3X = 9 + X + 3x

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
-12 + -3X + -1X = 9 + X + -1X + 3x

Combine like terms: -3X + -1X = -4X
-12 + -4X = 9 + X + -1X + 3x

Combine like terms: X + -1X = 0
-12 + -4X = 9 + 0 + 3x
-12 + -4X = 9 + 3x

Add '12' to each side of the equation.
-12 + 12 + -4X = 9 + 12 + 3x

Combine like terms: -12 + 12 = 0
0 + -4X = 9 + 12 + 3x
-4X = 9 + 12 + 3x

Combine like terms: 9 + 12 = 21
-4X = 21 + 3x

Divide each side by '-4'.
X = -5.25 + -0.75x

Simplifying
X = -5.25 + -0.75x

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