X-5+X-8+X-X+3+12+10+X+X=72

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Solution for X-5+X-8+X-X+3+12+10+X+X=72 equation:


Simplifying
X + -5 + X + -8 + X + -1X + 3 + 12 + 10 + X + X = 72

Reorder the terms:
-5 + -8 + 3 + 12 + 10 + X + X + X + -1X + X + X = 72

Combine like terms: -5 + -8 = -13
-13 + 3 + 12 + 10 + X + X + X + -1X + X + X = 72

Combine like terms: -13 + 3 = -10
-10 + 12 + 10 + X + X + X + -1X + X + X = 72

Combine like terms: -10 + 12 = 2
2 + 10 + X + X + X + -1X + X + X = 72

Combine like terms: 2 + 10 = 12
12 + X + X + X + -1X + X + X = 72

Combine like terms: X + X = 2X
12 + 2X + X + -1X + X + X = 72

Combine like terms: 2X + X = 3X
12 + 3X + -1X + X + X = 72

Combine like terms: 3X + -1X = 2X
12 + 2X + X + X = 72

Combine like terms: 2X + X = 3X
12 + 3X + X = 72

Combine like terms: 3X + X = 4X
12 + 4X = 72

Solving
12 + 4X = 72

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + 4X = 72 + -12

Combine like terms: 12 + -12 = 0
0 + 4X = 72 + -12
4X = 72 + -12

Combine like terms: 72 + -12 = 60
4X = 60

Divide each side by '4'.
X = 15

Simplifying
X = 15

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