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-15=z/2.05--2
We simplify the equation to the form, which is simple to understand
-15=z/2.05+2
Simplifying:
-15=0.487804878049z+2
We move all terms containing z to the left and all other terms to the right.
-0.487804878049z=+2+15
We simplify left and right side of the equation.
-0.487804878049z=+17
We divide both sides of the equation by -00.487804878049 to get z.
z=-34.85
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