Answer:Give reasons for your answer that do not depend onsolving the equations. ... This can serve as a guide and check list for teacherswho are using the text for the ... Solution (a) If x = 2 and y = 5, then3x 4y = 3 2 4 (5) = 6 + 20 = 264x2+ 9x+ 7y = 4 ... oper-ation on the equation 3(x 1)+2x = 5+x2 2x?(a) 5x 3 = x2 2x 5(b) 4x + 3(x 1) .
Step-by-step explanation: