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2) x = -21

3) x = 12

Step-by-step explanation:

Solution :

In both questions we need to find the value of x. So, let's solve!

2) x/-3 + 5 = 12

Hence, the value of x is -21.

3) 3/4x - 5 = 4

Hence, the value of x is 12.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get