z-1=4(7z-4)

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Solution for z-1=4(7z-4) equation:


Simplifying
z + -1 = 4(7z + -4)

Reorder the terms:
-1 + z = 4(7z + -4)

Reorder the terms:
-1 + z = 4(-4 + 7z)
-1 + z = (-4 * 4 + 7z * 4)
-1 + z = (-16 + 28z)

Solving
-1 + z = -16 + 28z

Solving for variable 'z'.

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

Add '-28z' to each side of the equation.
-1 + z + -28z = -16 + 28z + -28z

Combine like terms: z + -28z = -27z
-1 + -27z = -16 + 28z + -28z

Combine like terms: 28z + -28z = 0
-1 + -27z = -16 + 0
-1 + -27z = -16

Add '1' to each side of the equation.
-1 + 1 + -27z = -16 + 1

Combine like terms: -1 + 1 = 0
0 + -27z = -16 + 1
-27z = -16 + 1

Combine like terms: -16 + 1 = -15
-27z = -15

Divide each side by '-27'.
z = 0.5555555556

Simplifying
z = 0.5555555556

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