8.5 +4(1-2.5k) = -24.5 Use distributive property 8.5 + 4 - 10k = -24.5 Add 4 to 8.5 12.5 - 10k = 24.5 Subtract 12.5 from both sides -10k = 12 Divide -10 on both sides Final Answer: -12/10 or -1 2/10 or -1 1/5 *All answers are equivalent to each other.
