7(9+z)=

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Solution for 7(9+z)= equation: 


Simplifying
7(9 + z) = 0
(9 * 7 + z * 7) = 0
(63 + 7z) = 0

Solving
63 + 7z = 0

Solving for variable 'z'.

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

Add '-63' to each side of the equation.
63 + -63 + 7z = 0 + -63

Combine like terms: 63 + -63 = 0
0 + 7z = 0 + -63
7z = 0 + -63

Combine like terms: 0 + -63 = -63
7z = -63

Divide each side by '7'.
z = -9

Simplifying
z = -9

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