6-(z+9)=9

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Solution for 6-(z+9)=9 equation:


Simplifying
6 + -1(z + 9) = 9

Reorder the terms:
6 + -1(9 + z) = 9
6 + (9 * -1 + z * -1) = 9
6 + (-9 + -1z) = 9

Combine like terms: 6 + -9 = -3
-3 + -1z = 9

Solving
-3 + -1z = 9

Solving for variable 'z'.

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

Add '3' to each side of the equation.
-3 + 3 + -1z = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -1z = 9 + 3
-1z = 9 + 3

Combine like terms: 9 + 3 = 12
-1z = 12

Divide each side by '-1'.
z = -12

Simplifying
z = -12

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