4(z+7)=7+z

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


Simplifying
4(z + 7) = 7 + z

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

Solving
28 + 4z = 7 + z

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.
28 + 4z + -1z = 7 + z + -1z

Combine like terms: 4z + -1z = 3z
28 + 3z = 7 + z + -1z

Combine like terms: z + -1z = 0
28 + 3z = 7 + 0
28 + 3z = 7

Add '-28' to each side of the equation.
28 + -28 + 3z = 7 + -28

Combine like terms: 28 + -28 = 0
0 + 3z = 7 + -28
3z = 7 + -28

Combine like terms: 7 + -28 = -21
3z = -21

Divide each side by '3'.
z = -7

Simplifying
z = -7

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