7(8+z)=84

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Solution for 7(8+z)=84 equation: 


Simplifying
7(8 + z) = 84
(8 * 7 + z * 7) = 84
(56 + 7z) = 84

Solving
56 + 7z = 84

Solving for variable 'z'.

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

Add '-56' to each side of the equation.
56 + -56 + 7z = 84 + -56

Combine like terms: 56 + -56 = 0
0 + 7z = 84 + -56
7z = 84 + -56

Combine like terms: 84 + -56 = 28
7z = 28

Divide each side by '7'.
z = 4

Simplifying
z = 4

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