3z-4z=8z+5-7z

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Solution for 3z-4z=8z+5-7z equation:


Simplifying
3z + -4z = 8z + 5 + -7z

Combine like terms: 3z + -4z = -1z
-1z = 8z + 5 + -7z

Reorder the terms:
-1z = 5 + 8z + -7z

Combine like terms: 8z + -7z = 1z
-1z = 5 + 1z

Solving
-1z = 5 + 1z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-1z + -1z = 5 + 1z + -1z

Combine like terms: -1z + -1z = -2z
-2z = 5 + 1z + -1z

Combine like terms: 1z + -1z = 0
-2z = 5 + 0
-2z = 5

Divide each side by '-2'.
z = -2.5

Simplifying
z = -2.5

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