15+7z=8(z-2)

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Solution for 15+7z=8(z-2) equation:


Simplifying
15 + 7z = 8(z + -2)

Reorder the terms:
15 + 7z = 8(-2 + z)
15 + 7z = (-2 * 8 + z * 8)
15 + 7z = (-16 + 8z)

Solving
15 + 7z = -16 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
15 + 7z + -8z = -16 + 8z + -8z

Combine like terms: 7z + -8z = -1z
15 + -1z = -16 + 8z + -8z

Combine like terms: 8z + -8z = 0
15 + -1z = -16 + 0
15 + -1z = -16

Add '-15' to each side of the equation.
15 + -15 + -1z = -16 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = -16 + -15
-1z = -16 + -15

Combine like terms: -16 + -15 = -31
-1z = -31

Divide each side by '-1'.
z = 31

Simplifying
z = 31

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