Use substitution to solve the system of equation. 3x + y = 31 and y = 4x + 10.
Use substitution to solve the system of equation. 15x + y = 64 and y = 17x + 22. Round to the nearest tenth.
Use substitution to solve the system of equation. 12x + y = 52 and y = 20x + 18. Round to the nearest tenth.
Use substitution to solve the system of equation. x + y = 32 and y = 15x + 16.
Use substitution to solve the system of equation. 22x + y = 64 and y = 10x + 25. Round to the nearest hundredth.
Use substitution to solve the system of equation. 11x + y = 54 and y = 11x + 10.
Use substitution to solve the system of equation. 23x + y = 64 and y = 18x + 20. Round to the nearest hundredth.
Use substitution to solve the system of equation. 15x + y = 65 and y = 20x + 4. Round to the nearest hundredth.