7+(z+7)=9

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Solution for 7+(z+7)=9 equation:


Simplifying
7 + (z + 7) = 9

Reorder the terms:
7 + (7 + z) = 9

Remove parenthesis around (7 + z)
7 + 7 + z = 9

Combine like terms: 7 + 7 = 14
14 + z = 9

Solving
14 + z = 9

Solving for variable 'z'.

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

Add '-14' to each side of the equation.
14 + -14 + z = 9 + -14

Combine like terms: 14 + -14 = 0
0 + z = 9 + -14
z = 9 + -14

Combine like terms: 9 + -14 = -5
z = -5

Simplifying
z = -5

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