3X+5X-5=115

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Solution for 3X+5X-5=115 equation:


Simplifying
3X + 5X + -5 = 115

Reorder the terms:
-5 + 3X + 5X = 115

Combine like terms: 3X + 5X = 8X
-5 + 8X = 115

Solving
-5 + 8X = 115

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 + 5 + 8X = 115 + 5

Combine like terms: -5 + 5 = 0
0 + 8X = 115 + 5
8X = 115 + 5

Combine like terms: 115 + 5 = 120
8X = 120

Divide each side by '8'.
X = 15

Simplifying
X = 15

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