(z+7)2=3

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Solution for (z+7)2=3 equation:


Simplifying
(z + 7) * 2 = 3

Reorder the terms:
(7 + z) * 2 = 3

Reorder the terms for easier multiplication:
2(7 + z) = 3
(7 * 2 + z * 2) = 3
(14 + 2z) = 3

Solving
14 + 2z = 3

Solving for variable 'z'.

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

Add '-14' to each side of the equation.
14 + -14 + 2z = 3 + -14

Combine like terms: 14 + -14 = 0
0 + 2z = 3 + -14
2z = 3 + -14

Combine like terms: 3 + -14 = -11
2z = -11

Divide each side by '2'.
z = -5.5

Simplifying
z = -5.5

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