(z+45)+z=153

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Solution for (z+45)+z=153 equation:


Simplifying
(z + 45) + z = 153

Reorder the terms:
(45 + z) + z = 153

Remove parenthesis around (45 + z)
45 + z + z = 153

Combine like terms: z + z = 2z
45 + 2z = 153

Solving
45 + 2z = 153

Solving for variable 'z'.

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

Add '-45' to each side of the equation.
45 + -45 + 2z = 153 + -45

Combine like terms: 45 + -45 = 0
0 + 2z = 153 + -45
2z = 153 + -45

Combine like terms: 153 + -45 = 108
2z = 108

Divide each side by '2'.
z = 54

Simplifying
z = 54

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