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Simplifying -27 + -3z = 63 + -72z Solving -27 + -3z = 63 + -72z Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '72z' to each side of the equation. -27 + -3z + 72z = 63 + -72z + 72z Combine like terms: -3z + 72z = 69z -27 + 69z = 63 + -72z + 72z Combine like terms: -72z + 72z = 0 -27 + 69z = 63 + 0 -27 + 69z = 63 Add '27' to each side of the equation. -27 + 27 + 69z = 63 + 27 Combine like terms: -27 + 27 = 0 0 + 69z = 63 + 27 69z = 63 + 27 Combine like terms: 63 + 27 = 90 69z = 90 Divide each side by '69'. z = 1.304347826 Simplifying z = 1.304347826
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