14 students should have red hair, if that's what you're asking.
What’s the cost before the tip? We need to know that before calculating the cost with the tip.
4x + 3 = 11
4x = 11 -3
4x = 8
x =8/4
x =2
answer
the number is 2
Answer:
I'm going to assume that you meant y=3x-8 and y=-4
This means that you would substitute -4 into the spot of y which gives you -4=3x-8. Once solved you would receive x=4/3.
Hope I helped have a nice day :)