20X-81=74

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Solution for 20X-81=74 equation: 


Simplifying
20X + -81 = 74

Reorder the terms:
-81 + 20X = 74

Solving
-81 + 20X = 74

Solving for variable 'X'.

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

Add '81' to each side of the equation.
-81 + 81 + 20X = 74 + 81

Combine like terms: -81 + 81 = 0
0 + 20X = 74 + 81
20X = 74 + 81

Combine like terms: 74 + 81 = 155
20X = 155

Divide each side by '20'.
X = 7.75

Simplifying
X = 7.75

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