-3X+12=2X-9

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Solution for -3X+12=2X-9 equation:


Simplifying
-3X + 12 = 2X + -9

Reorder the terms:
12 + -3X = 2X + -9

Reorder the terms:
12 + -3X = -9 + 2X

Solving
12 + -3X = -9 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
12 + -3X + -2X = -9 + 2X + -2X

Combine like terms: -3X + -2X = -5X
12 + -5X = -9 + 2X + -2X

Combine like terms: 2X + -2X = 0
12 + -5X = -9 + 0
12 + -5X = -9

Add '-12' to each side of the equation.
12 + -12 + -5X = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -5X = -9 + -12
-5X = -9 + -12

Combine like terms: -9 + -12 = -21
-5X = -21

Divide each side by '-5'.
X = 4.2

Simplifying
X = 4.2

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