X-5+3x-12=90

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Solution for X-5+3x-12=90 equation:


Simplifying
X + -5 + 3x + -12 = 90

Reorder the terms:
-5 + -12 + X + 3x = 90

Combine like terms: -5 + -12 = -17
-17 + X + 3x = 90

Solving
-17 + X + 3x = 90

Solving for variable 'X'.

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

Add '17' to each side of the equation.
-17 + X + 17 + 3x = 90 + 17

Reorder the terms:
-17 + 17 + X + 3x = 90 + 17

Combine like terms: -17 + 17 = 0
0 + X + 3x = 90 + 17
X + 3x = 90 + 17

Combine like terms: 90 + 17 = 107
X + 3x = 107

Add '-3x' to each side of the equation.
X + 3x + -3x = 107 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 107 + -3x
X = 107 + -3x

Simplifying
X = 107 + -3x

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