31-2z=43

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Solution for 31-2z=43 equation: 


Simplifying
31 + -2z = 43

Solving
31 + -2z = 43

Solving for variable 'z'.

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

Add '-31' to each side of the equation.
31 + -31 + -2z = 43 + -31

Combine like terms: 31 + -31 = 0
0 + -2z = 43 + -31
-2z = 43 + -31

Combine like terms: 43 + -31 = 12
-2z = 12

Divide each side by '-2'.
z = -6

Simplifying
z = -6

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