X+30+X+15+X-27=393

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Solution for X+30+X+15+X-27=393 equation:


Simplifying
X + 30 + X + 15 + X + -27 = 393

Reorder the terms:
30 + 15 + -27 + X + X + X = 393

Combine like terms: 30 + 15 = 45
45 + -27 + X + X + X = 393

Combine like terms: 45 + -27 = 18
18 + X + X + X = 393

Combine like terms: X + X = 2X
18 + 2X + X = 393

Combine like terms: 2X + X = 3X
18 + 3X = 393

Solving
18 + 3X = 393

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + -18 + 3X = 393 + -18

Combine like terms: 18 + -18 = 0
0 + 3X = 393 + -18
3X = 393 + -18

Combine like terms: 393 + -18 = 375
3X = 375

Divide each side by '3'.
X = 125

Simplifying
X = 125

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