-(z-28)=15

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Solution for -(z-28)=15 equation:


Simplifying
-1(z + -28) = 15

Reorder the terms:
-1(-28 + z) = 15
(-28 * -1 + z * -1) = 15
(28 + -1z) = 15

Solving
28 + -1z = 15

Solving for variable 'z'.

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

Add '-28' to each side of the equation.
28 + -28 + -1z = 15 + -28

Combine like terms: 28 + -28 = 0
0 + -1z = 15 + -28
-1z = 15 + -28

Combine like terms: 15 + -28 = -13
-1z = -13

Divide each side by '-1'.
z = 13

Simplifying
z = 13

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