4X+5X=81+5X

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Solution for 4X+5X=81+5X equation: 


Simplifying
4X + 5X = 81 + 5X

Combine like terms: 4X + 5X = 9X
9X = 81 + 5X

Solving
9X = 81 + 5X

Solving for variable 'X'.

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

Add '-5X' to each side of the equation.
9X + -5X = 81 + 5X + -5X

Combine like terms: 9X + -5X = 4X
4X = 81 + 5X + -5X

Combine like terms: 5X + -5X = 0
4X = 81 + 0
4X = 81

Divide each side by '4'.
X = 20.25

Simplifying
X = 20.25

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