2y-3z=-9

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Solution for 2y-3z=-9 equation: 


Simplifying
2y + -3z = -9

Solving
2y + -3z = -9

Solving for variable 'y'.

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

Add '3z' to each side of the equation.
2y + -3z + 3z = -9 + 3z

Combine like terms: -3z + 3z = 0
2y + 0 = -9 + 3z
2y = -9 + 3z

Divide each side by '2'.
y = -4.5 + 1.5z

Simplifying
y = -4.5 + 1.5z

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