2+2z=-9

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Solution for 2+2z=-9 equation: 


Simplifying
2 + 2z = -9

Solving
2 + 2z = -9

Solving for variable 'z'.

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

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

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

Combine like terms: -9 + -2 = -11
2z = -11

Divide each side by '2'.
z = -5.5

Simplifying
z = -5.5

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