3x+5x=42

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Solution for 3x+5x=42 equation: 


Simplifying
3x + 5x = 42

Combine like terms: 3x + 5x = 8x
8x = 42

Solving
8x = 42

Solving for variable 'x'.

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

Divide each side by '8'.
x = 5.25

Simplifying
x = 5.25

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