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z/7+9=8
We simplify the equation to the form, which is simple to understand
z/7+9=8
We move all terms containing z to the left and all other terms to the right.
+ 0.14285714285714z=+8-9
We simplify left and right side of the equation.
+ 0.14285714285714z=-1
We divide both sides of the equation by 0.14285714285714 to get z.
z=-7
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