4X+12y=400

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Solution for 4X+12y=400 equation: 


Simplifying
4X + 12y = 400

Solving
4X + 12y = 400

Solving for variable 'X'.

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

Add '-12y' to each side of the equation.
4X + 12y + -12y = 400 + -12y

Combine like terms: 12y + -12y = 0
4X + 0 = 400 + -12y
4X = 400 + -12y

Divide each side by '4'.
X = 100 + -3y

Simplifying
X = 100 + -3y

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