Answer:
x = -2
Step-by-step explanation:
9(2x-1)=3(x+2)+3x
18x-9=3x+6+3x
18x-9=6x+6
18x-6x=6+9
12x=15
x=15/12
x=5/4
Answer:
73.25
Step-by-step explanation:
Add all numbers and divide by 4 to get the average grade.
the answer is 18 yes you are correct
Simplify:
7x+3=7x-3
Now 7x goes away and you get 3=-3, which cannot be true, so there is no solution