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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