7(4-z)=-z

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


Simplifying
7(4 + -1z) = -1z
(4 * 7 + -1z * 7) = -1z
(28 + -7z) = -1z

Solving
28 + -7z = -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
28 + -7z + z = -1z + z

Combine like terms: -7z + z = -6z
28 + -6z = -1z + z

Combine like terms: -1z + z = 0
28 + -6z = 0

Add '-28' to each side of the equation.
28 + -28 + -6z = 0 + -28

Combine like terms: 28 + -28 = 0
0 + -6z = 0 + -28
-6z = 0 + -28

Combine like terms: 0 + -28 = -28
-6z = -28

Divide each side by '-6'.
z = 4.666666667

Simplifying
z = 4.666666667

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