78+z=100

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Solution for 78+z=100 equation: 


Simplifying
78 + z = 100

Solving
78 + z = 100

Solving for variable 'z'.

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

Add '-78' to each side of the equation.
78 + -78 + z = 100 + -78

Combine like terms: 78 + -78 = 0
0 + z = 100 + -78
z = 100 + -78

Combine like terms: 100 + -78 = 22
z = 22

Simplifying
z = 22

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