X+(x+3)+2(x+3)=57

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Solution for X+(x+3)+2(x+3)=57 equation:


Simplifying
X + (x + 3) + 2(x + 3) = 57

Reorder the terms:
X + (3 + x) + 2(x + 3) = 57

Remove parenthesis around (3 + x)
X + 3 + x + 2(x + 3) = 57

Reorder the terms:
X + 3 + x + 2(3 + x) = 57
X + 3 + x + (3 * 2 + x * 2) = 57
X + 3 + x + (6 + 2x) = 57

Reorder the terms:
3 + 6 + X + x + 2x = 57

Combine like terms: 3 + 6 = 9
9 + X + x + 2x = 57

Combine like terms: x + 2x = 3x
9 + X + 3x = 57

Solving
9 + X + 3x = 57

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + X + -9 + 3x = 57 + -9

Reorder the terms:
9 + -9 + X + 3x = 57 + -9

Combine like terms: 9 + -9 = 0
0 + X + 3x = 57 + -9
X + 3x = 57 + -9

Combine like terms: 57 + -9 = 48
X + 3x = 48

Add '-3x' to each side of the equation.
X + 3x + -3x = 48 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 48 + -3x
X = 48 + -3x

Simplifying
X = 48 + -3x

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