39=x+(x+1)+(x+8)

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Solution for 39=x+(x+1)+(x+8) equation:


Simplifying
39 = x + (x + 1) + (x + 8)

Reorder the terms:
39 = x + (1 + x) + (x + 8)

Remove parenthesis around (1 + x)
39 = x + 1 + x + (x + 8)

Reorder the terms:
39 = x + 1 + x + (8 + x)

Remove parenthesis around (8 + x)
39 = x + 1 + x + 8 + x

Reorder the terms:
39 = 1 + 8 + x + x + x

Combine like terms: 1 + 8 = 9
39 = 9 + x + x + x

Combine like terms: x + x = 2x
39 = 9 + 2x + x

Combine like terms: 2x + x = 3x
39 = 9 + 3x

Solving
39 = 9 + 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.
39 + -3x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
39 + -3x = 9 + 0
39 + -3x = 9

Add '-39' to each side of the equation.
39 + -39 + -3x = 9 + -39

Combine like terms: 39 + -39 = 0
0 + -3x = 9 + -39
-3x = 9 + -39

Combine like terms: 9 + -39 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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