2X+9=81-6X

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Solution for 2X+9=81-6X equation:


Simplifying
2X + 9 = 81 + -6X

Reorder the terms:
9 + 2X = 81 + -6X

Solving
9 + 2X = 81 + -6X

Solving for variable 'X'.

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

Add '6X' to each side of the equation.
9 + 2X + 6X = 81 + -6X + 6X

Combine like terms: 2X + 6X = 8X
9 + 8X = 81 + -6X + 6X

Combine like terms: -6X + 6X = 0
9 + 8X = 81 + 0
9 + 8X = 81

Add '-9' to each side of the equation.
9 + -9 + 8X = 81 + -9

Combine like terms: 9 + -9 = 0
0 + 8X = 81 + -9
8X = 81 + -9

Combine like terms: 81 + -9 = 72
8X = 72

Divide each side by '8'.
X = 9

Simplifying
X = 9

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