9+z+1+z+1+12=16

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Solution for 9+z+1+z+1+12=16 equation:


Simplifying
9 + z + 1 + z + 1 + 12 = 16

Reorder the terms:
9 + 1 + 1 + 12 + z + z = 16

Combine like terms: 9 + 1 = 10
10 + 1 + 12 + z + z = 16

Combine like terms: 10 + 1 = 11
11 + 12 + z + z = 16

Combine like terms: 11 + 12 = 23
23 + z + z = 16

Combine like terms: z + z = 2z
23 + 2z = 16

Solving
23 + 2z = 16

Solving for variable 'z'.

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

Add '-23' to each side of the equation.
23 + -23 + 2z = 16 + -23

Combine like terms: 23 + -23 = 0
0 + 2z = 16 + -23
2z = 16 + -23

Combine like terms: 16 + -23 = -7
2z = -7

Divide each side by '2'.
z = -3.5

Simplifying
z = -3.5

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