42=(z-3)

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Solution for 42=(z-3) equation:


Simplifying
42 = (z + -3)

Reorder the terms:
42 = (-3 + z)

Remove parenthesis around (-3 + z)
42 = -3 + z

Solving
42 = -3 + 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.
42 + -1z = -3 + z + -1z

Combine like terms: z + -1z = 0
42 + -1z = -3 + 0
42 + -1z = -3

Add '-42' to each side of the equation.
42 + -42 + -1z = -3 + -42

Combine like terms: 42 + -42 = 0
0 + -1z = -3 + -42
-1z = -3 + -42

Combine like terms: -3 + -42 = -45
-1z = -45

Divide each side by '-1'.
z = 45

Simplifying
z = 45

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