Section 2.4 Answer: Given statement: 5 (x−1) = 4x+ 13 Hence, the final solution is x=18 respectively. Answer: Use distributive property on left hand side of the equation, 3(2x+11) =9 6x+33=9. Use subtraction property of equality, 6x+ 33 - 33 = 9 − 33 [Subtract 33 from each side] 6x=−24 [Simplify] Use division property of equality, 6x6 =−246

[Divide each side by 6] x=−4 [Simplify] Final Answer: The solution of given equation is −4. Answer: Addition property of equality is used here. Answer: Symmetric property of equality is used here. Answer: Transitive property of equality is used here. Answer: Ifm∠1=m∠2, thenm ∠2=m∠1. Answer: The statement will be: IfAB=CDthen5⋅AB=5⋅ CD.