(70*X)+(30*X)=130

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Solution for (70*X)+(30*X)=130 equation: 


Simplifying
(70X) + (30X) = 130

Combine like terms: (70X) + (30X) = 100X
100X = 130

Solving
100X = 130

Solving for variable 'X'.

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

Divide each side by '100'.
X = 1.3

Simplifying
X = 1.3

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