7-31=4z

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Solution for 7-31=4z equation:


Simplifying
7 + -31 = 4z

Combine like terms: 7 + -31 = -24
-24 = 4z

Solving
-24 = 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.
-24 + -4z = 4z + -4z

Combine like terms: 4z + -4z = 0
-24 + -4z = 0

Add '24' to each side of the equation.
-24 + 24 + -4z = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -4z = 0 + 24
-4z = 0 + 24

Combine like terms: 0 + 24 = 24
-4z = 24

Divide each side by '-4'.
z = -6

Simplifying
z = -6

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