Answer:
46,746 mm²
Step-by-step explanation:
½×(210+84)×318
= 46,746 mm²
Now all you have to do is divide -3x by -2 and 18 by -2 which would be:
Y= 3/2x-9
Answer:

Step-by-step explanation:
Whenever we have 2 fractions equal to each other, we first cross multiply, then take variables to one side and numbers to other side and use basic algebra to solve for the variable [here, it is x].
The process is shown below:

So, x = 3/4