3(2x+y)=-9

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Solution for 3(2x+y)=-9 equation: 


Simplifying
3(2x + y) = -9
(2x * 3 + y * 3) = -9
(6x + 3y) = -9

Solving
6x + 3y = -9

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.
6x + 3y + -3y = -9 + -3y

Combine like terms: 3y + -3y = 0
6x + 0 = -9 + -3y
6x = -9 + -3y

Divide each side by '6'.
x = -1.5 + -0.5y

Simplifying
x = -1.5 + -0.5y

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