X-3x-10=90

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Solution for X-3x-10=90 equation: 


Simplifying
X + -3x + -10 = 90

Reorder the terms:
-10 + X + -3x = 90

Solving
-10 + X + -3x = 90

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + X + 10 + -3x = 90 + 10

Reorder the terms:
-10 + 10 + X + -3x = 90 + 10

Combine like terms: -10 + 10 = 0
0 + X + -3x = 90 + 10
X + -3x = 90 + 10

Combine like terms: 90 + 10 = 100
X + -3x = 100

Add '3x' to each side of the equation.
X + -3x + 3x = 100 + 3x

Combine like terms: -3x + 3x = 0
X + 0 = 100 + 3x
X = 100 + 3x

Simplifying
X = 100 + 3x

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