(9z+11)-(2+7z)=

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Solution for (9z+11)-(2+7z)= equation:


Simplifying
(9z + 11) + -1(2 + 7z) = 0

Reorder the terms:
(11 + 9z) + -1(2 + 7z) = 0

Remove parenthesis around (11 + 9z)
11 + 9z + -1(2 + 7z) = 0
11 + 9z + (2 * -1 + 7z * -1) = 0
11 + 9z + (-2 + -7z) = 0

Reorder the terms:
11 + -2 + 9z + -7z = 0

Combine like terms: 11 + -2 = 9
9 + 9z + -7z = 0

Combine like terms: 9z + -7z = 2z
9 + 2z = 0

Solving
9 + 2z = 0

Solving for variable 'z'.

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

Add '-9' to each side of the equation.
9 + -9 + 2z = 0 + -9

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

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

Divide each side by '2'.
z = -4.5

Simplifying
z = -4.5

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