12=2X+9

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Solution for 12=2X+9 equation:


Simplifying
12 = 2X + 9

Reorder the terms:
12 = 9 + 2X

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

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

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

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

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

Divide each side by '-2'.
X = 1.5

Simplifying
X = 1.5

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