Aeva is selling friendship pins as a service project. Each p

Aeva is selling friendship pins as a service project. Each pin with green beads sells for $3. Each pin with red beads sells for $2. She raised $312. The number of pins with green beads is 11 fewer than the number of pins with red beads. How many red pins did Aeva sell?47586980Which is the best first step when solving the following system of equations? x+y=3 4x-y7Multiply the first equation by 4.Add the first equation to the second equation.Multiply the second equation by -1Subtract the second equation from the first equation.