3(X+Y)=12

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Solution for 3(X+Y)=12 equation: 


Simplifying
3(X + Y) = 12
(X * 3 + Y * 3) = 12
(3X + 3Y) = 12

Solving
3X + 3Y = 12

Solving for variable 'X'.

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

Add '-3Y' to each side of the equation.
3X + 3Y + -3Y = 12 + -3Y

Combine like terms: 3Y + -3Y = 0
3X + 0 = 12 + -3Y
3X = 12 + -3Y

Divide each side by '3'.
X = 4 + -1Y

Simplifying
X = 4 + -1Y

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