15=-7-6z

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Solution for 15=-7-6z equation:


Simplifying
15 = -7 + -6z

Solving
15 = -7 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
15 + 6z = -7 + -6z + 6z

Combine like terms: -6z + 6z = 0
15 + 6z = -7 + 0
15 + 6z = -7

Add '-15' to each side of the equation.
15 + -15 + 6z = -7 + -15

Combine like terms: 15 + -15 = 0
0 + 6z = -7 + -15
6z = -7 + -15

Combine like terms: -7 + -15 = -22
6z = -22

Divide each side by '6'.
z = -3.666666667

Simplifying
z = -3.666666667

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