28=6+7(z+4)

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Solution for 28=6+7(z+4) equation:


Simplifying
28 = 6 + 7(z + 4)

Reorder the terms:
28 = 6 + 7(4 + z)
28 = 6 + (4 * 7 + z * 7)
28 = 6 + (28 + 7z)

Combine like terms: 6 + 28 = 34
28 = 34 + 7z

Solving
28 = 34 + 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.
28 + -7z = 34 + 7z + -7z

Combine like terms: 7z + -7z = 0
28 + -7z = 34 + 0
28 + -7z = 34

Add '-28' to each side of the equation.
28 + -28 + -7z = 34 + -28

Combine like terms: 28 + -28 = 0
0 + -7z = 34 + -28
-7z = 34 + -28

Combine like terms: 34 + -28 = 6
-7z = 6

Divide each side by '-7'.
z = -0.8571428571

Simplifying
z = -0.8571428571

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