Respuesta :

Answer:

4. x= -6

5. x= 7

6. x= -18

7. x= 8

8. x= 7

I'll do 9 and 10 in a separate answer

Step-by-step explanation:

4. Multiplying a negative with another negative always equals a positive, so replace x with -6, multiply -6 and -3 and you'll get 18.

5. To make it simple, think "what minus 3 equals 11?" So in this case, multiplying 2 by 7 would = 14, and that minus 3 is 11.

6. Divide a negative by a positive to get a negative answer. -9 + 6 = -3, but first we have to get 9. So since the fraction is x divided by 2, you'd replace x with -18 to get -9.

7. -3 x 8 is -24, + 11 is -13.

8. What minus 7 equals 21? 28. So replace x with 7. (7 x 4 = 28), subtract 7 from 28, and then you'll have 21.