15=-8+z

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Solution for 15=-8+z equation:


Simplifying
15 = -8 + z

Solving
15 = -8 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
15 + -1z = -8 + z + -1z

Combine like terms: z + -1z = 0
15 + -1z = -8 + 0
15 + -1z = -8

Add '-15' to each side of the equation.
15 + -15 + -1z = -8 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = -8 + -15
-1z = -8 + -15

Combine like terms: -8 + -15 = -23
-1z = -23

Divide each side by '-1'.
z = 23

Simplifying
z = 23

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