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Simplifying 5r2 + 12z + 4 = 0 Reorder the terms: 4 + 5r2 + 12z = 0 Solving 4 + 5r2 + 12z = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + 5r2 + -4 + 12z = 0 + -4 Reorder the terms: 4 + -4 + 5r2 + 12z = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 5r2 + 12z = 0 + -4 5r2 + 12z = 0 + -4 Combine like terms: 0 + -4 = -4 5r2 + 12z = -4 Add '-12z' to each side of the equation. 5r2 + 12z + -12z = -4 + -12z Combine like terms: 12z + -12z = 0 5r2 + 0 = -4 + -12z 5r2 = -4 + -12z Divide each side by '5'. r2 = -0.8 + -2.4z Simplifying r2 = -0.8 + -2.4z Reorder the terms: 0.8 + r2 + 2.4z = -0.8 + -2.4z + 0.8 + 2.4z Reorder the terms: 0.8 + r2 + 2.4z = -0.8 + 0.8 + -2.4z + 2.4z Combine like terms: -0.8 + 0.8 = 0.0 0.8 + r2 + 2.4z = 0.0 + -2.4z + 2.4z 0.8 + r2 + 2.4z = -2.4z + 2.4z Combine like terms: -2.4z + 2.4z = 0.0 0.8 + r2 + 2.4z = 0.0 The solution to this equation could not be determined.
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