21+104+z=180

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Solution for 21+104+z=180 equation: 


Simplifying
21 + 104 + z = 180

Combine like terms: 21 + 104 = 125
125 + z = 180

Solving
125 + z = 180

Solving for variable 'z'.

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

Add '-125' to each side of the equation.
125 + -125 + z = 180 + -125

Combine like terms: 125 + -125 = 0
0 + z = 180 + -125
z = 180 + -125

Combine like terms: 180 + -125 = 55
z = 55

Simplifying
z = 55

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