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Simplifying z = -7 + 7z Solving z = -7 + 7z Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '-7z' to each side of the equation. z + -7z = -7 + 7z + -7z Combine like terms: z + -7z = -6z -6z = -7 + 7z + -7z Combine like terms: 7z + -7z = 0 -6z = -7 + 0 -6z = -7 Divide each side by '-6'. z = 1.166666667 Simplifying z = 1.166666667
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