x+(x+8)+(x+8+5)=72

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Solution for x+(x+8)+(x+8+5)=72 equation:


Simplifying
x + (x + 8) + (x + 8 + 5) = 72

Reorder the terms:
x + (8 + x) + (x + 8 + 5) = 72

Remove parenthesis around (8 + x)
x + 8 + x + (x + 8 + 5) = 72

Reorder the terms:
x + 8 + x + (8 + 5 + x) = 72

Combine like terms: 8 + 5 = 13
x + 8 + x + (13 + x) = 72

Remove parenthesis around (13 + x)
x + 8 + x + 13 + x = 72

Reorder the terms:
8 + 13 + x + x + x = 72

Combine like terms: 8 + 13 = 21
21 + x + x + x = 72

Combine like terms: x + x = 2x
21 + 2x + x = 72

Combine like terms: 2x + x = 3x
21 + 3x = 72

Solving
21 + 3x = 72

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 3x = 72 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 72 + -21
3x = 72 + -21

Combine like terms: 72 + -21 = 51
3x = 51

Divide each side by '3'.
x = 17

Simplifying
x = 17

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