-15=z-4

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Solution for -15=z-4 equation:


Simplifying
-15 = z + -4

Reorder the terms:
-15 = -4 + z

Solving
-15 = -4 + 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 = -4 + z + -1z

Combine like terms: z + -1z = 0
-15 + -1z = -4 + 0
-15 + -1z = -4

Add '15' to each side of the equation.
-15 + 15 + -1z = -4 + 15

Combine like terms: -15 + 15 = 0
0 + -1z = -4 + 15
-1z = -4 + 15

Combine like terms: -4 + 15 = 11
-1z = 11

Divide each side by '-1'.
z = -11

Simplifying
z = -11

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