The function a*b is defined as a*b=2a-3b+ab. If a*2=14, find a.

⚑ Flag

plug in a wherever you see a and plug in 2 whereever you see b: so it becomes: 2a-6+2a=14 add 6 to both sides to get 2a+2a=20 so 4a =20 a=5