3(z+7)=123

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Solution for 3(z+7)=123 equation:


Simplifying
3(z + 7) = 123

Reorder the terms:
3(7 + z) = 123
(7 * 3 + z * 3) = 123
(21 + 3z) = 123

Solving
21 + 3z = 123

Solving for variable 'z'.

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

Add '-21' to each side of the equation.
21 + -21 + 3z = 123 + -21

Combine like terms: 21 + -21 = 0
0 + 3z = 123 + -21
3z = 123 + -21

Combine like terms: 123 + -21 = 102
3z = 102

Divide each side by '3'.
z = 34

Simplifying
z = 34

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