360=(z+45)+z+74+78+55

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Solution for 360=(z+45)+z+74+78+55 equation:


Simplifying
360 = (z + 45) + z + 74 + 78 + 55

Reorder the terms:
360 = (45 + z) + z + 74 + 78 + 55

Remove parenthesis around (45 + z)
360 = 45 + z + z + 74 + 78 + 55

Reorder the terms:
360 = 45 + 74 + 78 + 55 + z + z

Combine like terms: 45 + 74 = 119
360 = 119 + 78 + 55 + z + z

Combine like terms: 119 + 78 = 197
360 = 197 + 55 + z + z

Combine like terms: 197 + 55 = 252
360 = 252 + z + z

Combine like terms: z + z = 2z
360 = 252 + 2z

Solving
360 = 252 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
360 + -2z = 252 + 2z + -2z

Combine like terms: 2z + -2z = 0
360 + -2z = 252 + 0
360 + -2z = 252

Add '-360' to each side of the equation.
360 + -360 + -2z = 252 + -360

Combine like terms: 360 + -360 = 0
0 + -2z = 252 + -360
-2z = 252 + -360

Combine like terms: 252 + -360 = -108
-2z = -108

Divide each side by '-2'.
z = 54

Simplifying
z = 54

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