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Simplifying 25x2 + 4 = -20r Reorder the terms: 4 + 25x2 = -20r Solving 4 + 25x2 = -20r Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 25x2 = -4 + -20r Combine like terms: 4 + -4 = 0 0 + 25x2 = -4 + -20r 25x2 = -4 + -20r Divide each side by '25'. x2 = -0.16 + -0.8r Simplifying x2 = -0.16 + -0.8r Reorder the terms: 0.16 + 0.8r + x2 = -0.16 + -0.8r + 0.16 + 0.8r Reorder the terms: 0.16 + 0.8r + x2 = -0.16 + 0.16 + -0.8r + 0.8r Combine like terms: -0.16 + 0.16 = 0.00 0.16 + 0.8r + x2 = 0.00 + -0.8r + 0.8r 0.16 + 0.8r + x2 = -0.8r + 0.8r Combine like terms: -0.8r + 0.8r = 0.0 0.16 + 0.8r + x2 = 0.0 The solution to this equation could not be determined.
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