15+X=3*(60+X)

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Solution for 15+X=3*(60+X) equation: 


Simplifying
15 + X = 3(60 + X)
15 + X = (60 * 3 + X * 3)
15 + X = (180 + 3X)

Solving
15 + X = 180 + 3X

Solving for variable 'X'.

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

Add '-3X' to each side of the equation.
15 + X + -3X = 180 + 3X + -3X

Combine like terms: X + -3X = -2X
15 + -2X = 180 + 3X + -3X

Combine like terms: 3X + -3X = 0
15 + -2X = 180 + 0
15 + -2X = 180

Add '-15' to each side of the equation.
15 + -15 + -2X = 180 + -15

Combine like terms: 15 + -15 = 0
0 + -2X = 180 + -15
-2X = 180 + -15

Combine like terms: 180 + -15 = 165
-2X = 165

Divide each side by '-2'.
X = -82.5

Simplifying
X = -82.5

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