Multiply first equation with 2. Then add first and second, we get -x=6. X=-6 and y=-29
Answer:

Step-by-step explanation:


This is because we subtract 456 from each side.

We then divide the whole equation by <em>x</em> .

Adding 50 to both sides gives us <em>x</em> by itself, hope this helps :D
The answer is 169 because 180-11=169
Answer:
8 inches
Step-by-step explanation:
The area of a triangle is ...
A = 1/2bh
Filling in the given values, we have ...
24 = 1/2b(6)
24/3 = b = 8 . . . . . divide by the coefficient of b
The base of each triangular quilt piece is 8 inches long.