Answer:
7x -4= -28
Step-by-step explanation:
Mine is pretty rough but hope it helps look at the attached image.
I believe that x=9. I used cross multiplication. First, I multiplied 6 by 15. Second, I divided this product of 90 by 10. The quotient is 9.
Answer:
b 3.13
Step-by-step explanation:
did this beofer