7-z+9=3

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Solution for 7-z+9=3 equation:


Simplifying
7 + -1z + 9 = 3

Reorder the terms:
7 + 9 + -1z = 3

Combine like terms: 7 + 9 = 16
16 + -1z = 3

Solving
16 + -1z = 3

Solving for variable 'z'.

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

Add '-16' to each side of the equation.
16 + -16 + -1z = 3 + -16

Combine like terms: 16 + -16 = 0
0 + -1z = 3 + -16
-1z = 3 + -16

Combine like terms: 3 + -16 = -13
-1z = -13

Divide each side by '-1'.
z = 13

Simplifying
z = 13

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