z-4z=7z-5-2

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Solution for z-4z=7z-5-2 equation:


Simplifying
z + -4z = 7z + -5 + -2

Combine like terms: z + -4z = -3z
-3z = 7z + -5 + -2

Reorder the terms:
-3z = -5 + -2 + 7z

Combine like terms: -5 + -2 = -7
-3z = -7 + 7z

Solving
-3z = -7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-3z + -7z = -7 + 7z + -7z

Combine like terms: -3z + -7z = -10z
-10z = -7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-10z = -7 + 0
-10z = -7

Divide each side by '-10'.
z = 0.7

Simplifying
z = 0.7

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