15-2*X=65

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Solution for 15-2*X=65 equation: 


Simplifying
15 + -2X = 65

Solving
15 + -2X = 65

Solving for variable 'X'.

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

Add '-15' to each side of the equation.
15 + -15 + -2X = 65 + -15

Combine like terms: 15 + -15 = 0
0 + -2X = 65 + -15
-2X = 65 + -15

Combine like terms: 65 + -15 = 50
-2X = 50

Divide each side by '-2'.
X = -25

Simplifying
X = -25

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