3X=40-4X

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Solution for 3X=40-4X equation: 


Simplifying
3X = 40 + -4X

Solving
3X = 40 + -4X

Solving for variable 'X'.

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

Add '4X' to each side of the equation.
3X + 4X = 40 + -4X + 4X

Combine like terms: 3X + 4X = 7X
7X = 40 + -4X + 4X

Combine like terms: -4X + 4X = 0
7X = 40 + 0
7X = 40

Divide each side by '7'.
X = 5.714285714

Simplifying
X = 5.714285714

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