10+7z=31

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Solution for 10+7z=31 equation: 


Simplifying
10 + 7z = 31

Solving
10 + 7z = 31

Solving for variable 'z'.

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

Add '-10' to each side of the equation.
10 + -10 + 7z = 31 + -10

Combine like terms: 10 + -10 = 0
0 + 7z = 31 + -10
7z = 31 + -10

Combine like terms: 31 + -10 = 21
7z = 21

Divide each side by '7'.
z = 3

Simplifying
z = 3

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