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z-9/4=z/7
We simplify the equation to the form, which is simple to understand
z-9/4=z/7
We move all terms containing z to the left and all other terms to the right.
+1z-0.14285714285714z=+2.25
We simplify left and right side of the equation.
+ 0.85714285714286z=+2.25
We divide both sides of the equation by 0.85714285714286 to get z.
z=2.625
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