X+2(x+9)+3(x-4)=42

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Solution for X+2(x+9)+3(x-4)=42 equation:


Simplifying
X + 2(x + 9) + 3(x + -4) = 42

Reorder the terms:
X + 2(9 + x) + 3(x + -4) = 42
X + (9 * 2 + x * 2) + 3(x + -4) = 42
X + (18 + 2x) + 3(x + -4) = 42

Reorder the terms:
X + 18 + 2x + 3(-4 + x) = 42
X + 18 + 2x + (-4 * 3 + x * 3) = 42
X + 18 + 2x + (-12 + 3x) = 42

Reorder the terms:
18 + -12 + X + 2x + 3x = 42

Combine like terms: 18 + -12 = 6
6 + X + 2x + 3x = 42

Combine like terms: 2x + 3x = 5x
6 + X + 5x = 42

Solving
6 + X + 5x = 42

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 + X + -6 + 5x = 42 + -6

Reorder the terms:
6 + -6 + X + 5x = 42 + -6

Combine like terms: 6 + -6 = 0
0 + X + 5x = 42 + -6
X + 5x = 42 + -6

Combine like terms: 42 + -6 = 36
X + 5x = 36

Add '-5x' to each side of the equation.
X + 5x + -5x = 36 + -5x

Combine like terms: 5x + -5x = 0
X + 0 = 36 + -5x
X = 36 + -5x

Simplifying
X = 36 + -5x

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