15=-5+7(z-6)

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Solution for 15=-5+7(z-6) equation:


Simplifying
15 = -5 + 7(z + -6)

Reorder the terms:
15 = -5 + 7(-6 + z)
15 = -5 + (-6 * 7 + z * 7)
15 = -5 + (-42 + 7z)

Combine like terms: -5 + -42 = -47
15 = -47 + 7z

Solving
15 = -47 + 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.
15 + -7z = -47 + 7z + -7z

Combine like terms: 7z + -7z = 0
15 + -7z = -47 + 0
15 + -7z = -47

Add '-15' to each side of the equation.
15 + -15 + -7z = -47 + -15

Combine like terms: 15 + -15 = 0
0 + -7z = -47 + -15
-7z = -47 + -15

Combine like terms: -47 + -15 = -62
-7z = -62

Divide each side by '-7'.
z = 8.857142857

Simplifying
z = 8.857142857

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