2.5(6.5+9.5z)=-21.5

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Solution for 2.5(6.5+9.5z)=-21.5 equation: 


Simplifying
2.5(6.5 + 9.5z) = -21.5
(6.5 * 2.5 + 9.5z * 2.5) = -21.5
(16.25 + 23.75z) = -21.5

Solving
16.25 + 23.75z = -21.5

Solving for variable 'z'.

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

Add '-16.25' to each side of the equation.
16.25 + -16.25 + 23.75z = -21.5 + -16.25

Combine like terms: 16.25 + -16.25 = 0.00
0.00 + 23.75z = -21.5 + -16.25
23.75z = -21.5 + -16.25

Combine like terms: -21.5 + -16.25 = -37.75
23.75z = -37.75

Divide each side by '23.75'.
z = -1.589473684

Simplifying
z = -1.589473684

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