X+5+x+3x=90

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


Simplifying
X + 5 + x + 3x = 90

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

Combine like terms: x + 3x = 4x
5 + X + 4x = 90

Solving
5 + X + 4x = 90

Solving for variable 'X'.

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

Add '-5' to each side of the equation.
5 + X + -5 + 4x = 90 + -5

Reorder the terms:
5 + -5 + X + 4x = 90 + -5

Combine like terms: 5 + -5 = 0
0 + X + 4x = 90 + -5
X + 4x = 90 + -5

Combine like terms: 90 + -5 = 85
X + 4x = 85

Add '-4x' to each side of the equation.
X + 4x + -4x = 85 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 85 + -4x
X = 85 + -4x

Simplifying
X = 85 + -4x

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