There are 3 ways of solving a simultaneous problem, substitution method, elimination method and Gauss-Jordan method. I'm gonna use the substitution method since it's easier and i think it would suit your level more.
First let's try solving for y since it's easier to start with.
Firstly we have to find an equation for x:

Great, now we can use the substitution method to find the value of y using the first equation:

Now we know that y=1 we can solve the first equation we made:

And the answer is 
Double check:

And that's our final answer! (4,1)
Do 35 times 19 and that is the whole square inches or so 35 squared times 19 squared
Answer:
-14w+12
Step-by-step explanation:
10 - 7w - 13 - 7w + 15
Combine like terms
- 7w - 7w + 10-13+15
-14w+12
Step-by-step explanation:
