Answer:
4. b
5. c
6. d
7. c
8. d
Step-by-step explanation:
4. 1/5x-5=2
1/5x=7
x=35
5. 56= 4x+12
44=4x
11=x
6, 7. x+(x+1)+(x+2)=whatever
add the numbers you are provided and find the correct answer
8. the same thing as 6,7 but the formula is x+(x+2)+(x+4)+(x+6)
