19=7-(z+9)

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Solution for 19=7-(z+9) equation:


Simplifying
19 = 7 + -1(z + 9)

Reorder the terms:
19 = 7 + -1(9 + z)
19 = 7 + (9 * -1 + z * -1)
19 = 7 + (-9 + -1z)

Combine like terms: 7 + -9 = -2
19 = -2 + -1z

Solving
19 = -2 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
19 + z = -2 + -1z + z

Combine like terms: -1z + z = 0
19 + z = -2 + 0
19 + z = -2

Add '-19' to each side of the equation.
19 + -19 + z = -2 + -19

Combine like terms: 19 + -19 = 0
0 + z = -2 + -19
z = -2 + -19

Combine like terms: -2 + -19 = -21
z = -21

Simplifying
z = -21

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