3X-9=1+12

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Solution for 3X-9=1+12 equation:


Simplifying
3X + -9 = 1 + 12

Reorder the terms:
-9 + 3X = 1 + 12

Combine like terms: 1 + 12 = 13
-9 + 3X = 13

Solving
-9 + 3X = 13

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + 3X = 13 + 9

Combine like terms: -9 + 9 = 0
0 + 3X = 13 + 9
3X = 13 + 9

Combine like terms: 13 + 9 = 22
3X = 22

Divide each side by '3'.
X = 7.333333333

Simplifying
X = 7.333333333

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