Answer:
x=9
Step-by-step explanation:
4x+6+7x+15=120 combine like terms it becomes 11x+21 =120 take away 21 from 120 , leaves you with 11x=99 divide by 11 to get x alone leaves you with x=9 :)
Answer:
17.25
Step-by-step explanation:
You already know y = 72, so you could rewrite the equation to 72 = 4x + 3. To get to the answer, you need to find what X is. What you should do is subtract 3 from both sides, get 69, divide by 4 on both sides and get 17.25
I'm not sure if this is correct, but I hope this helped.
Answer:
the first one
Step-by-step explanation:
Answer:
E ||M
Step-by-step explanation:
This is based upon the postulate if A=B and B=C then A=C. picture it like this, you have 3 lines. The top and middle are parallel. The bottom and middle are parallel. so obviously the top and bottom are too
