-(2z+1)+8=-4-9z

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Solution for -(2z+1)+8=-4-9z equation: 


Simplifying
-1(2z + 1) + 8 = -4 + -9z

Reorder the terms:
-1(1 + 2z) + 8 = -4 + -9z
(1 * -1 + 2z * -1) + 8 = -4 + -9z
(-1 + -2z) + 8 = -4 + -9z

Reorder the terms:
-1 + 8 + -2z = -4 + -9z

Combine like terms: -1 + 8 = 7
7 + -2z = -4 + -9z

Solving
7 + -2z = -4 + -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
7 + -2z + 9z = -4 + -9z + 9z

Combine like terms: -2z + 9z = 7z
7 + 7z = -4 + -9z + 9z

Combine like terms: -9z + 9z = 0
7 + 7z = -4 + 0
7 + 7z = -4

Add '-7' to each side of the equation.
7 + -7 + 7z = -4 + -7

Combine like terms: 7 + -7 = 0
0 + 7z = -4 + -7
7z = -4 + -7

Combine like terms: -4 + -7 = -11
7z = -11

Divide each side by '7'.
z = -1.571428571

Simplifying
z = -1.571428571

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