55-3X=40

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Solution for 55-3X=40 equation: 


Simplifying
55 + -3X = 40

Solving
55 + -3X = 40

Solving for variable 'X'.

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

Add '-55' to each side of the equation.
55 + -55 + -3X = 40 + -55

Combine like terms: 55 + -55 = 0
0 + -3X = 40 + -55
-3X = 40 + -55

Combine like terms: 40 + -55 = -15
-3X = -15

Divide each side by '-3'.
X = 5

Simplifying
X = 5

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