19=z+4

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Solution for 19=z+4 equation:


Simplifying
19 = z + 4

Reorder the terms:
19 = 4 + z

Solving
19 = 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.
19 + -1z = 4 + z + -1z

Combine like terms: z + -1z = 0
19 + -1z = 4 + 0
19 + -1z = 4

Add '-19' to each side of the equation.
19 + -19 + -1z = 4 + -19

Combine like terms: 19 + -19 = 0
0 + -1z = 4 + -19
-1z = 4 + -19

Combine like terms: 4 + -19 = -15
-1z = -15

Divide each side by '-1'.
z = 15

Simplifying
z = 15

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