kachycc7 kachycc7 30-12-2023 Mathematics contestada a) Copy and complete the working below to create an equation that is equivalent to x + y = 3. b) Use your answer to part a) to solve the following simultaneous equations: 2x + 3y = 7 x+y= 3 x + y = 3 x2 x2 2x + 2y =
