15-4z=2-8

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Solution for 15-4z=2-8 equation: 


Simplifying
15 + -4z = 2 + -8

Combine like terms: 2 + -8 = -6
15 + -4z = -6

Solving
15 + -4z = -6

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -4z = -6 + -15

Combine like terms: 15 + -15 = 0
0 + -4z = -6 + -15
-4z = -6 + -15

Combine like terms: -6 + -15 = -21
-4z = -21

Divide each side by '-4'.
z = 5.25

Simplifying
z = 5.25

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