7+z=18

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Solution for 7+z=18 equation: 


Simplifying
7 + z = 18

Solving
7 + z = 18

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + z = 18 + -7

Combine like terms: 7 + -7 = 0
0 + z = 18 + -7
z = 18 + -7

Combine like terms: 18 + -7 = 11
z = 11

Simplifying
z = 11

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