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8z+20=-3z-13
We simplify the equation to the form, which is simple to understand
8z+20=-3z-13
We move all terms containing z to the left and all other terms to the right.
+8z+3z=-13-20
We simplify left and right side of the equation.
+11z=-33
We divide both sides of the equation by 11 to get z.
z=-3
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