(9+x)+(6+x)+(3+x)=(4+x*2)+(1+x*2)

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Solution for (9+x)+(6+x)+(3+x)=(4+x*2)+(1+x*2) equation: 


Simplifying
(9 + x) + (6 + x) + (3 + x) = (4 + x * 2) + (1 + x * 2)

Remove parenthesis around (9 + x)
9 + x + (6 + x) + (3 + x) = (4 + x * 2) + (1 + x * 2)

Remove parenthesis around (6 + x)
9 + x + 6 + x + (3 + x) = (4 + x * 2) + (1 + x * 2)

Remove parenthesis around (3 + x)
9 + x + 6 + x + 3 + x = (4 + x * 2) + (1 + x * 2)

Reorder the terms:
9 + 6 + 3 + x + x + x = (4 + x * 2) + (1 + x * 2)

Combine like terms: 9 + 6 = 15
15 + 3 + x + x + x = (4 + x * 2) + (1 + x * 2)

Combine like terms: 15 + 3 = 18
18 + x + x + x = (4 + x * 2) + (1 + x * 2)

Combine like terms: x + x = 2x
18 + 2x + x = (4 + x * 2) + (1 + x * 2)

Combine like terms: 2x + x = 3x
18 + 3x = (4 + x * 2) + (1 + x * 2)

Reorder the terms for easier multiplication:
18 + 3x = (4 + 2x) + (1 + x * 2)

Remove parenthesis around (4 + 2x)
18 + 3x = 4 + 2x + (1 + x * 2)

Reorder the terms for easier multiplication:
18 + 3x = 4 + 2x + (1 + 2x)

Remove parenthesis around (1 + 2x)
18 + 3x = 4 + 2x + 1 + 2x

Reorder the terms:
18 + 3x = 4 + 1 + 2x + 2x

Combine like terms: 4 + 1 = 5
18 + 3x = 5 + 2x + 2x

Combine like terms: 2x + 2x = 4x
18 + 3x = 5 + 4x

Solving
18 + 3x = 5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
18 + 3x + -4x = 5 + 4x + -4x

Combine like terms: 3x + -4x = -1x
18 + -1x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
18 + -1x = 5 + 0
18 + -1x = 5

Add '-18' to each side of the equation.
18 + -18 + -1x = 5 + -18

Combine like terms: 18 + -18 = 0
0 + -1x = 5 + -18
-1x = 5 + -18

Combine like terms: 5 + -18 = -13
-1x = -13

Divide each side by '-1'.
x = 13

Simplifying
x = 13

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