7(3+z)=-14

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Solution for 7(3+z)=-14 equation: 


Simplifying
7(3 + z) = -14
(3 * 7 + z * 7) = -14
(21 + 7z) = -14

Solving
21 + 7z = -14

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 + 7z = -14 + -21

Combine like terms: 21 + -21 = 0
0 + 7z = -14 + -21
7z = -14 + -21

Combine like terms: -14 + -21 = -35
7z = -35

Divide each side by '7'.
z = -5

Simplifying
z = -5

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