I am struggling with my geometry review Guide. our teacher provided the answers so we can check it ourselves but we must show are work. I have gotten the wrong answers and I have no idea how to do. Can someone please help?

27. S Solve the equation: 7(2x - 1) = -4x + 2 28. Graph the line y = =-x + 5 -10 -3 -6 10 29. Find x, knowing the sum of angles in a triangle is always E A 850 (3x+4) > D *2x+1) F 30. If m 4 2 = 640, and the m 4 1 = (4x-2) what is the value of x?31. Determine if the triangles are similar. Justify your answer by making a FLOW CHART M 15 ft 10f Q 181 12 it 32. Determine if the triangles are similar. Justify your answer by making a FLOW CHART 4.5 in W qX 6 in 3 in 4 in