-7z-(-3z)=

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Solution for -7z-(-3z)= equation: 


Simplifying
-7z + -1(-3z) = 0

Remove parenthesis around (-3z)
-7z + -1 * -3z = 0

Multiply -1 * -3
-7z + 3z = 0

Combine like terms: -7z + 3z = -4z
-4z = 0

Solving
-4z = 0

Solving for variable 'z'.

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

Divide each side by '-4'.
z = 0

Simplifying
z = 0

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