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z/7+19=3.5
We simplify the equation to the form, which is simple to understand
z/7+19=3.5
We move all terms containing z to the left and all other terms to the right.
+ 0.14285714285714z=+3.5-19
We simplify left and right side of the equation.
+ 0.14285714285714z=-15.5
We divide both sides of the equation by 0.14285714285714 to get z.
z=-108.5
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