X+3(x+4)=x+9(x)

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


Simplifying
X + 3(x + 4) = x + 9(x)

Reorder the terms:
X + 3(4 + x) = x + 9(x)
X + (4 * 3 + x * 3) = x + 9(x)
X + (12 + 3x) = x + 9(x)

Reorder the terms:
12 + X + 3x = x + 9(x)

Combine like terms: x + 9x = 10x
12 + X + 3x = 10x

Solving
12 + X + 3x = 10x

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + X + -12 + 3x = -12 + 10x

Reorder the terms:
12 + -12 + X + 3x = -12 + 10x

Combine like terms: 12 + -12 = 0
0 + X + 3x = -12 + 10x
X + 3x = -12 + 10x

Add '-3x' to each side of the equation.
X + 3x + -3x = -12 + 10x + -3x

Combine like terms: 3x + -3x = 0
X + 0 = -12 + 10x + -3x
X = -12 + 10x + -3x

Combine like terms: 10x + -3x = 7x
X = -12 + 7x

Simplifying
X = -12 + 7x

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