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(z-1)*6,5=8
We simplify the equation to the form, which is simple to understand
(z-1)*6,5=8
Reorder the terms in parentheses
(+6.5z-6.5)=8
Remove unnecessary parentheses
+6.5z-6.5=8
We move all terms containing z to the left and all other terms to the right.
+6.5z=+8+6.5
We simplify left and right side of the equation.
+6.5z=+14.5
We divide both sides of the equation by 6.5 to get z.
z=2.23076923077
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