x+(x+2)+2(x+2)=18

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Solution for x+(x+2)+2(x+2)=18 equation:


Simplifying
x + (x + 2) + 2(x + 2) = 18

Reorder the terms:
x + (2 + x) + 2(x + 2) = 18

Remove parenthesis around (2 + x)
x + 2 + x + 2(x + 2) = 18

Reorder the terms:
x + 2 + x + 2(2 + x) = 18
x + 2 + x + (2 * 2 + x * 2) = 18
x + 2 + x + (4 + 2x) = 18

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

Combine like terms: 2 + 4 = 6
6 + x + x + 2x = 18

Combine like terms: x + x = 2x
6 + 2x + 2x = 18

Combine like terms: 2x + 2x = 4x
6 + 4x = 18

Solving
6 + 4x = 18

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 4x = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 4x = 18 + -6
4x = 18 + -6

Combine like terms: 18 + -6 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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