4=z+9

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Solution for 4=z+9 equation:


Simplifying
4 = z + 9

Reorder the terms:
4 = 9 + z

Solving
4 = 9 + 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.
4 + -1z = 9 + z + -1z

Combine like terms: z + -1z = 0
4 + -1z = 9 + 0
4 + -1z = 9

Add '-4' to each side of the equation.
4 + -4 + -1z = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -1z = 9 + -4
-1z = 9 + -4

Combine like terms: 9 + -4 = 5
-1z = 5

Divide each side by '-1'.
z = -5

Simplifying
z = -5

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