7(z+7)=70

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Solution for 7(z+7)=70 equation: 


Simplifying
7(z + 7) = 70

Reorder the terms:
7(7 + z) = 70
(7 * 7 + z * 7) = 70
(49 + 7z) = 70

Solving
49 + 7z = 70

Solving for variable 'z'.

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

Add '-49' to each side of the equation.
49 + -49 + 7z = 70 + -49

Combine like terms: 49 + -49 = 0
0 + 7z = 70 + -49
7z = 70 + -49

Combine like terms: 70 + -49 = 21
7z = 21

Divide each side by '7'.
z = 3

Simplifying
z = 3

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