15+X=2*(60+X)

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Solution for 15+X=2*(60+X) equation: 


Simplifying
15 + X = 2(60 + X)
15 + X = (60 * 2 + X * 2)
15 + X = (120 + 2X)

Solving
15 + X = 120 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
15 + X + -2X = 120 + 2X + -2X

Combine like terms: X + -2X = -1X
15 + -1X = 120 + 2X + -2X

Combine like terms: 2X + -2X = 0
15 + -1X = 120 + 0
15 + -1X = 120

Add '-15' to each side of the equation.
15 + -15 + -1X = 120 + -15

Combine like terms: 15 + -15 = 0
0 + -1X = 120 + -15
-1X = 120 + -15

Combine like terms: 120 + -15 = 105
-1X = 105

Divide each side by '-1'.
X = -105

Simplifying
X = -105

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