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3z/8-7=-5
We simplify the equation to the form, which is simple to understand
3z/8-7=-5
We move all terms containing z to the left and all other terms to the right.
+ 0.375z=-5+7
We simplify left and right side of the equation.
+ 0.375z=+2
We divide both sides of the equation by 0.375 to get z.
z=5.3333333333333
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