X+(x+9)+x+(x+9)=302

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Solution for X+(x+9)+x+(x+9)=302 equation:


Simplifying
X + (x + 9) + x + (x + 9) = 302

Reorder the terms:
X + (9 + x) + x + (x + 9) = 302

Remove parenthesis around (9 + x)
X + 9 + x + x + (x + 9) = 302

Reorder the terms:
X + 9 + x + x + (9 + x) = 302

Remove parenthesis around (9 + x)
X + 9 + x + x + 9 + x = 302

Reorder the terms:
9 + 9 + X + x + x + x = 302

Combine like terms: 9 + 9 = 18
18 + X + x + x + x = 302

Combine like terms: x + x = 2x
18 + X + 2x + x = 302

Combine like terms: 2x + x = 3x
18 + X + 3x = 302

Solving
18 + X + 3x = 302

Solving for variable 'X'.

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

Add '-18' to each side of the equation.
18 + X + -18 + 3x = 302 + -18

Reorder the terms:
18 + -18 + X + 3x = 302 + -18

Combine like terms: 18 + -18 = 0
0 + X + 3x = 302 + -18
X + 3x = 302 + -18

Combine like terms: 302 + -18 = 284
X + 3x = 284

Add '-3x' to each side of the equation.
X + 3x + -3x = 284 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 284 + -3x
X = 284 + -3x

Simplifying
X = 284 + -3x

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