x+(x+5)+(x+8)=51

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Solution for x+(x+5)+(x+8)=51 equation:


Simplifying
x + (x + 5) + (x + 8) = 51

Reorder the terms:
x + (5 + x) + (x + 8) = 51

Remove parenthesis around (5 + x)
x + 5 + x + (x + 8) = 51

Reorder the terms:
x + 5 + x + (8 + x) = 51

Remove parenthesis around (8 + x)
x + 5 + x + 8 + x = 51

Reorder the terms:
5 + 8 + x + x + x = 51

Combine like terms: 5 + 8 = 13
13 + x + x + x = 51

Combine like terms: x + x = 2x
13 + 2x + x = 51

Combine like terms: 2x + x = 3x
13 + 3x = 51

Solving
13 + 3x = 51

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 3x = 51 + -13

Combine like terms: 13 + -13 = 0
0 + 3x = 51 + -13
3x = 51 + -13

Combine like terms: 51 + -13 = 38
3x = 38

Divide each side by '3'.
x = 12.66666667

Simplifying
x = 12.66666667

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