3z+5-7z=89

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Solution for 3z+5-7z=89 equation:


Simplifying
3z + 5 + -7z = 89

Reorder the terms:
5 + 3z + -7z = 89

Combine like terms: 3z + -7z = -4z
5 + -4z = 89

Solving
5 + -4z = 89

Solving for variable 'z'.

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

Add '-5' to each side of the equation.
5 + -5 + -4z = 89 + -5

Combine like terms: 5 + -5 = 0
0 + -4z = 89 + -5
-4z = 89 + -5

Combine like terms: 89 + -5 = 84
-4z = 84

Divide each side by '-4'.
z = -21

Simplifying
z = -21

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