3z+7z=84+36

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Solution for 3z+7z=84+36 equation: 


Simplifying
3z + 7z = 84 + 36

Combine like terms: 3z + 7z = 10z
10z = 84 + 36

Combine like terms: 84 + 36 = 120
10z = 120

Solving
10z = 120

Solving for variable 'z'.

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

Divide each side by '10'.
z = 12

Simplifying
z = 12

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