HW #9 (1.14) 3. Given: 90 + (5x - 2) + 2(4 - x) = 180 Prove: x = 28 90 + (5x - 2) + 2(4 - x) = 180 90 + 5.x - 2+8 - 2x = 180 C 96 + 3x = 180 D 3x = 84 x = 28 Division Property of Equality 2 Combine like terms 3 Distributive Property Subtraction Property of Equality 5 Given HW #9 (1.14) 9 . Complete the proofs below by filling in the missing statements and reasons. Given: 41 = 24; 24 and 25 form a linear pair Prove: 41 and 25 are supplementary 41 = 24 B 41 = 64 C 24 and 25 form a linear pair D 24 and 25 are sup plementary E 64+ 45 = 180 F 41 + 45 = 180 21 and 25 are sup plementary Substitution 2 Given 3 Def. of Congruence 4 Given 5 Def. of Supplementary angles 6 Linear Pair Theorem Def. of Supplementary angles