Answer:
x = 45/7
Step-by-step explanation:

Here, you can more easily see what the fractions look like.
In order to cross-multiply, you have to multiply 5 with 9, and 7 with x.
45 = 7x
Then, you isolate x by dividing 7 on both sides:
45/7 = x
Hope I helped :)
Answer:
3 79/100
Step-by-step explanation:

Answer: Slope is -2 and y int: -1
Step-by-step explanation: y=mx+b is the formula for finding slope & y intercept.
It was in your equation m=-2 and -1 being y intercept
Step-by-step explanation:
no, we have no way to prove that they are equal. is DEF equaled JKL then ABC would be equal to it, but it's not
Answer:
1. No
2. Yes
3. No
Step-by-step explanation:
-4 is equal to -4 but not bigger then -4
8.5 is bigger then -4
-16 ¾ is smaler then -4
(because it is a negative number)