-15=-8+5(z-4)

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Solution for -15=-8+5(z-4) equation:


Simplifying
-15 = -8 + 5(z + -4)

Reorder the terms:
-15 = -8 + 5(-4 + z)
-15 = -8 + (-4 * 5 + z * 5)
-15 = -8 + (-20 + 5z)

Combine like terms: -8 + -20 = -28
-15 = -28 + 5z

Solving
-15 = -28 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-15 + -5z = -28 + 5z + -5z

Combine like terms: 5z + -5z = 0
-15 + -5z = -28 + 0
-15 + -5z = -28

Add '15' to each side of the equation.
-15 + 15 + -5z = -28 + 15

Combine like terms: -15 + 15 = 0
0 + -5z = -28 + 15
-5z = -28 + 15

Combine like terms: -28 + 15 = -13
-5z = -13

Divide each side by '-5'.
z = 2.6

Simplifying
z = 2.6

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