X+3+5+8+9=12

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Solution for X+3+5+8+9=12 equation:


Simplifying
X + 3 + 5 + 8 + 9 = 12

Reorder the terms:
3 + 5 + 8 + 9 + X = 12

Combine like terms: 3 + 5 = 8
8 + 8 + 9 + X = 12

Combine like terms: 8 + 8 = 16
16 + 9 + X = 12

Combine like terms: 16 + 9 = 25
25 + X = 12

Solving
25 + X = 12

Solving for variable 'X'.

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

Add '-25' to each side of the equation.
25 + -25 + X = 12 + -25

Combine like terms: 25 + -25 = 0
0 + X = 12 + -25
X = 12 + -25

Combine like terms: 12 + -25 = -13
X = -13

Simplifying
X = -13

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