-4z=-5z-7

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Solution for -4z=-5z-7 equation: 


Simplifying
-4z = -5z + -7

Reorder the terms:
-4z = -7 + -5z

Solving
-4z = -7 + -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
-4z + 5z = -7 + -5z + 5z

Combine like terms: -4z + 5z = 1z
1z = -7 + -5z + 5z

Combine like terms: -5z + 5z = 0
1z = -7 + 0
1z = -7

Divide each side by '1'.
z = -7

Simplifying
z = -7

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