7(6+z)=84

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Solution for 7(6+z)=84 equation: 


Simplifying
7(6 + z) = 84
(6 * 7 + z * 7) = 84
(42 + 7z) = 84

Solving
42 + 7z = 84

Solving for variable 'z'.

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

Add '-42' to each side of the equation.
42 + -42 + 7z = 84 + -42

Combine like terms: 42 + -42 = 0
0 + 7z = 84 + -42
7z = 84 + -42

Combine like terms: 84 + -42 = 42
7z = 42

Divide each side by '7'.
z = 6

Simplifying
z = 6

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