X+2x+3(x-10)+12=84

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Solution for X+2x+3(x-10)+12=84 equation:


Simplifying
X + 2x + 3(x + -10) + 12 = 84

Reorder the terms:
X + 2x + 3(-10 + x) + 12 = 84
X + 2x + (-10 * 3 + x * 3) + 12 = 84
X + 2x + (-30 + 3x) + 12 = 84

Reorder the terms:
-30 + 12 + X + 2x + 3x = 84

Combine like terms: -30 + 12 = -18
-18 + X + 2x + 3x = 84

Combine like terms: 2x + 3x = 5x
-18 + X + 5x = 84

Solving
-18 + X + 5x = 84

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 + 5x = 84 + 18

Reorder the terms:
-18 + 18 + X + 5x = 84 + 18

Combine like terms: -18 + 18 = 0
0 + X + 5x = 84 + 18
X + 5x = 84 + 18

Combine like terms: 84 + 18 = 102
X + 5x = 102

Add '-5x' to each side of the equation.
X + 5x + -5x = 102 + -5x

Combine like terms: 5x + -5x = 0
X + 0 = 102 + -5x
X = 102 + -5x

Simplifying
X = 102 + -5x

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