2z+1=-9

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Solution for 2z+1=-9 equation: 


Simplifying
2z + 1 = -9

Reorder the terms:
1 + 2z = -9

Solving
1 + 2z = -9

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + 2z = -9 + -1

Combine like terms: 1 + -1 = 0
0 + 2z = -9 + -1
2z = -9 + -1

Combine like terms: -9 + -1 = -10
2z = -10

Divide each side by '2'.
z = -5

Simplifying
z = -5

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