9+2(z+8)=-11

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Solution for 9+2(z+8)=-11 equation:


Simplifying
9 + 2(z + 8) = -11

Reorder the terms:
9 + 2(8 + z) = -11
9 + (8 * 2 + z * 2) = -11
9 + (16 + 2z) = -11

Combine like terms: 9 + 16 = 25
25 + 2z = -11

Solving
25 + 2z = -11

Solving for variable 'z'.

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

Add '-25' to each side of the equation.
25 + -25 + 2z = -11 + -25

Combine like terms: 25 + -25 = 0
0 + 2z = -11 + -25
2z = -11 + -25

Combine like terms: -11 + -25 = -36
2z = -36

Divide each side by '2'.
z = -18

Simplifying
z = -18

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