X+X+X+X*4=105

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Solution for X+X+X+X*4=105 equation: 


Simplifying
X + X + X + X * 4 = 105

Reorder the terms for easier multiplication:
X + X + X + 4X = 105

Combine like terms: X + X = 2X
2X + X + 4X = 105

Combine like terms: 2X + X = 3X
3X + 4X = 105

Combine like terms: 3X + 4X = 7X
7X = 105

Solving
7X = 105

Solving for variable 'X'.

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

Divide each side by '7'.
X = 15

Simplifying
X = 15

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