Proof: Solve for x: 5/11 (44 x + 33) = 4/3 (15 x + 21) Expand out terms of the left hand side: 20 x + 15 = 4/3 (15 x + 21) Expand out terms of the right hand side: 20 x + 15 = 20 x + 28 Subtract 20 x + 15 from both sides: 0 = 13 0 = 13 is trivially false: Answer: False