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Simplifying -9(t + -2) = r(t + -15) Reorder the terms: -9(-2 + t) = r(t + -15) (-2 * -9 + t * -9) = r(t + -15) (18 + -9t) = r(t + -15) Reorder the terms: 18 + -9t = r(-15 + t) 18 + -9t = (-15 * r + t * r) 18 + -9t = (-15r + rt) Solving 18 + -9t = -15r + rt Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1rt' to each side of the equation. 18 + -1rt + -9t = -15r + rt + -1rt Combine like terms: rt + -1rt = 0 18 + -1rt + -9t = -15r + 0 18 + -1rt + -9t = -15r Add '-18' to each side of the equation. 18 + -1rt + -18 + -9t = -18 + -15r Reorder the terms: 18 + -18 + -1rt + -9t = -18 + -15r Combine like terms: 18 + -18 = 0 0 + -1rt + -9t = -18 + -15r -1rt + -9t = -18 + -15r Reorder the terms: 18 + 15r + -1rt + -9t = -18 + -15r + 18 + 15r Reorder the terms: 18 + 15r + -1rt + -9t = -18 + 18 + -15r + 15r Combine like terms: -18 + 18 = 0 18 + 15r + -1rt + -9t = 0 + -15r + 15r 18 + 15r + -1rt + -9t = -15r + 15r Combine like terms: -15r + 15r = 0 18 + 15r + -1rt + -9t = 0 The solution to this equation could not be determined.
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