28=7(3z-8)

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Solution for 28=7(3z-8) equation:


Simplifying
28 = 7(3z + -8)

Reorder the terms:
28 = 7(-8 + 3z)
28 = (-8 * 7 + 3z * 7)
28 = (-56 + 21z)

Solving
28 = -56 + 21z

Solving for variable 'z'.

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

Add '-21z' to each side of the equation.
28 + -21z = -56 + 21z + -21z

Combine like terms: 21z + -21z = 0
28 + -21z = -56 + 0
28 + -21z = -56

Add '-28' to each side of the equation.
28 + -28 + -21z = -56 + -28

Combine like terms: 28 + -28 = 0
0 + -21z = -56 + -28
-21z = -56 + -28

Combine like terms: -56 + -28 = -84
-21z = -84

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

Simplifying
z = 4

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