Help me with number 4 and 5 please

Answer:
4. x=-24
5. b=21
Step-by-step explanation:
x/8 = -3
multiply both sides by 8
x = -24
-4b = -84
divide both sides by -4
b = 21
Answer:
Question 4: -24
Question 5: 21
Step-by-step explanation:
[tex]\frac{x}{8}[/tex]=-3
x= -3*8
x= -24
-4b = -84
b = -84 ÷ 4
b = 21