9z-11=-31+4z

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Solution for 9z-11=-31+4z equation:


Simplifying
9z + -11 = -31 + 4z

Reorder the terms:
-11 + 9z = -31 + 4z

Solving
-11 + 9z = -31 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-11 + 9z + -4z = -31 + 4z + -4z

Combine like terms: 9z + -4z = 5z
-11 + 5z = -31 + 4z + -4z

Combine like terms: 4z + -4z = 0
-11 + 5z = -31 + 0
-11 + 5z = -31

Add '11' to each side of the equation.
-11 + 11 + 5z = -31 + 11

Combine like terms: -11 + 11 = 0
0 + 5z = -31 + 11
5z = -31 + 11

Combine like terms: -31 + 11 = -20
5z = -20

Divide each side by '5'.
z = -4

Simplifying
z = -4

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